Phone Number Search
Reverse Phone Number Lookup:
Free Approximate Location Map
Resources
Information about Area Code 301
North American area codes 240 and 301 are state of Maryland telephone area codes which serve Maryland's portion of the Greater Washington, D.C. metro area, portions of Southern Maryland, and all points northwest of Washington. This includes the communities of Cumberland, Frederick, Hagerstown, and Rockville. Area code 301 was one of the original area codes established in 1947, and was the exclusive area code for the entire state of Maryland until it was split with 410 on October 6, 1991. The overlay area code, 240, was introduced on June 1, 1997.
Counties served by these area codes include:
local calls require 10-digit dialing (area code + number, leading "1" is not required)
| State of Maryland Area Codes: 240, 301, 410, 443 |
|
North: 717, 724/878, 814 |
|
| West: 202, 304, 540, 571/703 |
area codes 301/240 |
East: 410/443 |
|
South: 804, 304 |
|
| District of Columbia Area Code: 202 |
| Commonwealth of Pennsylvania Area Codes: 215, 267, 412, 484, 570, 610, 717, 724, 814, 835, 878 |
| Commonwealth of Virginia Area Codes: 276, 434, 540, 571/703, 757, 804 |
| State of West Virginia Area Code: 304 |
See also
Exchanges for Area Code 301-xxx-xxxx:
-
Fort Washington - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
MAYO - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
-
Gaithersburg - VERIZON MARYLAND, INC.
Beltsville - SPRINT SPECTRUM L.P.
BETHESDA - VERIZON MARYLAND, INC.
Chevy Chase - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
UPPER MARLBORO - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
COLLEGE PARK - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
HERNDON - CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD
Williamsport - VERIZON MARYLAND, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
Suitland - GEOTEK COMMUNICATIONS, INC.
Landover - VERIZON MARYLAND, INC.
BETHESDA - VERIZON MARYLAND, INC.
Frederick - VERIZON MARYLAND, INC.
BETHESDA - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
Baltimore - MCIMETRO, ATS, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
ALLENTOWN - VERIZON MARYLAND, INC.
Washington - MCIMETRO, ATS, INC.
Silver Spring - VERIZON MARYLAND, INC.
Beltsville - SPRINT SPECTRUM L.P.
TEMPLE HILLS - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Cascade - VERIZON MARYLAND, INC.
Washington - MCIMETRO, ATS, INC.
BETHESDA -
Chevy Chase - ADELPHIA BUSINESS SOLUTIONS OF MARYLAND, LLC
BITTINGER - VERIZON MARYLAND, INC.
NANJEMOY - VERIZON MARYLAND, INC.
HOLLYWOOD - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
ALLENTOWN - VERIZON MARYLAND, INC.
UPPER MARLBORO - VERIZON MARYLAND, INC.
Baltimore - MCIMETRO, ATS, INC.
Rockville - VERIZON MARYLAND, INC.
Silver Spring - NEXTEL COMMUNICATIONS
DAMASCUS - VERIZON MARYLAND, INC.
Beltsville - SPRINT SPECTRUM L.P.
Rockville - VERIZON MARYLAND, INC.
Baltimore - MCIMETRO, ATS, INC.
Beltsville - SPRINT SPECTRUM L.P.
Gaithersburg - VERIZON MARYLAND, INC.
TOMPKINSVILLE - VERIZON MARYLAND, INC.
Olney - VERIZON MARYLAND, INC.
Annapolis - VERIZON MARYLAND, INC.
Bowie - VERIZON MARYLAND, INC.
BETHESDA - VERIZON MARYLAND, INC.
MOUNT SAVAGE - VERIZON MARYLAND, INC.
ALLENTOWN - VERIZON MARYLAND, INC.
- AT&T WIRELESS SERVICES, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
Cumberland - USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD
DAMASCUS - METROCALL
Hyattsville - VERIZON MARYLAND, INC.
THURMONT - VERIZON MARYLAND, INC.
Baltimore - MCIMETRO, ATS, INC.
Baltimore - MCIMETRO, ATS, INC.
HUGHESVILLE - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Rockville - MCIMETRO, ATS, INC.
Hyattsville - VERIZON MARYLAND, INC.
Baltimore - MCIMETRO, ATS, INC.
Rockville - VERIZON MARYLAND, INC.
Chevy Chase - VERIZON MARYLAND, INC.
Rockville - MCIMETRO, ATS, INC.
Silver Spring - VERIZON MARYLAND, INC.
BRYANS ROAD - VERIZON MARYLAND, INC.
Rockville - MCIMETRO, ATS, INC.
Silver Spring - VERIZON MARYLAND, INC.
COLLEGE PARK - VERIZON MARYLAND, INC.
Rockville - MCIMETRO, ATS, INC.
Rockville - MCIMETRO, ATS, INC.
Rockville - MCIMETRO, ATS, INC.
MECHANICSVILLE - VERIZON MARYLAND, INC.
Rockville - MCIMETRO, ATS, INC.
Fort Washington - VERIZON MARYLAND, INC.
MYERSVILLE - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
BETHESDA - VERIZON MARYLAND, INC.
- MCI WORLDCOM COMMUNICATIONS, INC. - MD
ALLENTOWN - VERIZON MARYLAND, INC.
Washington - MCIMETRO, ATS, INC.
Bethesda - VERIZON MARYLAND, INC.
Annapolis Junction -
-
Frederick - NATIONSLINE, INC.-MD
Savage - ARCH WIRELESS HOLDINGS, INC.
-
Hagerstown - SPRINT SPECTRUM L.P.
Lanham - VERIZON MARYLAND, INC.
Columbia - VERIZON MARYLAND, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
Rockville - VERIZON MARYLAND, INC.
Columbia - VERIZON MARYLAND, INC.
-
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
COLLEGE PARK - VERIZON MARYLAND, INC.
Chevy Chase - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
TEMPLE HILLS - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
BETHESDA - VERIZON MARYLAND, INC.
BETHESDA - VERIZON MARYLAND, INC.
Chevy Chase - ADELPHIA BUSINESS SOLUTIONS OF MARYLAND, LLC
Landover - VERIZON MARYLAND, INC.
Laurel - XSPEDIUS MANAGEMENT CO SWITCHES SERVICES, LLC - MD
CAPITOL HEIGHTS - VERIZON MARYLAND, INC.
Adelphi - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Beltsville - OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
Pikesville -
-
Savage - ARCH WIRELESS HOLDINGS, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Frederick - DOBSON CELLULAR SYSTEMS, INC.
Washington - AT&T WIRELESS SERVICES, INC.
CAPITOL HEIGHTS - VERIZON MARYLAND, INC.
Oakland - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
CAPITOL HEIGHTS - VERIZON MARYLAND, INC.
- MCI WORLDCOM COMMUNICATIONS, INC. - MD
-
HERNDON - CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD
Rockville - VERIZON MARYLAND, INC.
Landover - VERIZON MARYLAND, INC.
PATUXENT NAVAL AIR TEST C - VERIZON MARYLAND, INC.
Silver Spring - NEXTEL COMMUNICATIONS
COLLEGE PARK - VERIZON MARYLAND, INC.
COLLEGE PARK - VERIZON MARYLAND, INC.
Washington - AT&T WIRELESS SERVICES, INC.
Chevy Chase - VERIZON MARYLAND, INC.
- MCI WORLDCOM COMMUNICATIONS, INC. - MD
POOLESVILLE - VERIZON MARYLAND, INC.
CAPITOL HEIGHTS - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Bowie - VERIZON MARYLAND, INC.
GERMANTOWN - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Chevy Chase -
Laurel - VDL, INC. DBA GLOBAL TELECOM BROKERS - MD
Adelphi -
RESTON - LEVEL 3 COMMUNICATIONS, LLC - MD
PIEDMONT - VERIZON MARYLAND, INC.
Frederick - VERIZON MARYLAND, INC.
Laurel - XSPEDIUS MANAGEMENT CO SWITCHES SERVICES, LLC - MD
Laurel - VERIZON MARYLAND, INC.
Frederick -
- MCI WORLDCOM COMMUNICATIONS, INC. - MD
Bethesda - VERIZON MARYLAND, INC.
Silver Spring - NEXTEL COMMUNICATIONS
Adelphi - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
DAMASCUS - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
Silver Spring - NEXTEL COMMUNICATIONS
BRADDOCK HEIGHTS - VERIZON MARYLAND, INC.
BRANDYWINE - VERIZON MARYLAND, INC.
HOLLYWOOD - VERIZON MARYLAND, INC.
WALDORF - VERIZON MARYLAND, INC.
BRYANS ROAD - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
Alexandria - JONES TELECOMM OF MD, INC. DBA COMCAST COMM-MD
-
Beltsville - SPRINT SPECTRUM L.P.
BETHESDA - VERIZON MARYLAND, INC.
-
Rockville - VERIZON MARYLAND, INC.
Alexandria - JONES TELECOMM OF MD, INC. DBA COMCAST COMM-MD
Silver Spring - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Landover - VERIZON MARYLAND, INC.
THAYERVILLE - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Laurel - XSPEDIUS MANAGEMENT CO SWITCHES SERVICES, LLC - MD
Bowie - VERIZON MARYLAND, INC.
DAMASCUS - VERIZON MARYLAND, INC.
LA PLATA - VERIZON MARYLAND, INC.
Hagerstown - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
Baltimore - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
WALDORF - VERIZON MARYLAND, INC.
COLLEGE PARK - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
Silver Spring - NEXTEL COMMUNICATIONS
Frederick - DOBSON CELLULAR SYSTEMS, INC.
Bethesda - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Beltsville - SPRINT SPECTRUM L.P.
Chevy Chase - VERIZON MARYLAND, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
POOLESVILLE - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
-
-
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Rockville - VERIZON MARYLAND, INC.
DAMASCUS - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Hagerstown - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Frederick - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
SUITLAND - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
TEMPLE HILLS - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
POOLESVILLE - VERIZON MARYLAND, INC.
Lanham - VERIZON MARYLAND, INC.
UPPER MARLBORO - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Keedysville - VERIZON MARYLAND, INC.
ALLENTOWN - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Bethesda - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Beltsville - SPRINT SPECTRUM L.P.
Silver Spring - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Silver Spring - NEXTEL COMMUNICATIONS
COLLEGE PARK - VERIZON MARYLAND, INC.
Beltsville - SPRINT SPECTRUM L.P.
Rockville - VERIZON MARYLAND, INC.
GERMANTOWN - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
COLLEGE PARK - VERIZON MARYLAND, INC.
EMMITSBURG - VERIZON MARYLAND, INC.
Alexandria - JONES TELECOMM OF MD, INC. DBA COMCAST COMM-MD
ALLENTOWN - VERIZON MARYLAND, INC.
-
Bethesda - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
KITZMILLER - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Beltsville - SPRINT SPECTRUM L.P.
Alexandria - JONES TELECOMM OF MD, INC. DBA COMCAST COMM-MD
Silver Spring - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Lanham - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Hagerstown - SPRINT SPECTRUM L.P. - MD
Lonaconing - VERIZON MARYLAND, INC.
Bowie - VERIZON MARYLAND, INC.
Hagerstown - SPRINT SPECTRUM L.P. - MD
Adelphi - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Adelphi - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Rockville - VERIZON MARYLAND, INC.
Bethesda - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
FREDERICK - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
MECHANICSVILLE - VERIZON MARYLAND, INC.
BRADDOCK HEIGHTS - VERIZON MARYLAND, INC.
COLLEGE PARK - VERIZON MARYLAND, INC.
LEONARDTOWN - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Alexandria - JONES TELECOMM OF MD, INC. DBA COMCAST COMM-MD
OLDTOWN - VERIZON MARYLAND, INC.
- MCI WORLDCOM COMMUNICATIONS, INC. - MD
Bethesda - VERIZON MARYLAND, INC.
Washington - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
DAMASCUS - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
Alexandria - JONES TELECOMM OF MD, INC. DBA COMCAST COMM-MD
Alexandria - JONES TELECOMM OF MD, INC. DBA COMCAST COMM-MD
COLLEGE PARK - VERIZON MARYLAND, INC.
MYERSVILLE - VERIZON MARYLAND, INC.
COLLEGE PARK - VERIZON MARYLAND, INC.
COLLEGE PARK - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
Frederick - USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD
Chevy Chase - VERIZON MARYLAND, INC.
BETHESDA - VERIZON MARYLAND, INC.
Prince Frederick - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Bethesda - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
CAPITOL HEIGHTS - VERIZON MARYLAND, INC.
- DOBSON CELLULAR SYSTEMS, INC.
Adelphi - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Silver Spring - VERIZON MARYLAND, INC.
TEMPLE HILLS - VERIZON MARYLAND, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
COLLEGE PARK - VERIZON MARYLAND, INC.
Frederick - DOBSON CELLULAR SYSTEMS, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Savage - ARCH WIRELESS HOLDINGS, INC.
-
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
COLLEGE PARK - VERIZON MARYLAND, INC.
FREDERICK - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
GERMANTOWN - VERIZON MARYLAND, INC.
SUITLAND - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Gaithersburg - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
OXON HILL - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
Beltsville - SPRINT SPECTRUM L.P.
Hagerstown - SPRINT SPECTRUM L.P.
Baltimore - QUANTUM TELECOMMUNICATIONS, INC. - MD
Washington - AT&T WIRELESS SERVICES, INC.
Gaithersburg - VERIZON MARYLAND, INC.
GERMANTOWN - VERIZON MARYLAND, INC.
Washington - AT&T WIRELESS SERVICES, INC.
BETHESDA - VERIZON MARYLAND, INC.
Lanham - STARPOWER COMMUNICATIONS, LLC - MD
Hyattsville - VERIZON MARYLAND, INC.
Oakland - VERIZON MARYLAND, INC.
- SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Washington - AT&T WIRELESS SERVICES, INC.
Silver Spring - NEXTEL COMMUNICATIONS
Beltsville - SPRINT SPECTRUM L.P.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
GERMANTOWN - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Rockville - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
- METROCALL
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Gaithersburg - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
-
Laurel - BALTIMORE-WASHINGTON TELEPHONE BWT
Lanham - VERIZON MARYLAND, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
Baltimore - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Savage - ARCH WIRELESS HOLDINGS, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
Hyattsville - VERIZON MARYLAND, INC.
Landover - PAETEC COMMUNICATIONS, INC. - MD
Laurel - BALTIMORE-WASHINGTON TELEPHONE BWT
Silver Spring - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
BETHESDA - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
OXON HILL - VERIZON MARYLAND, INC.
SUITLAND - VERIZON MARYLAND, INC.
Baltimore - GLOBAL NAPS, INC.
Olney - VERIZON MARYLAND, INC.
BETHESDA - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
Frederick - NEXTEL COMMUNICATIONS
UPPER MARLBORO - VERIZON MARYLAND, INC.
Mc Lean - US LEC OF VIRGINIA, LLC - DC
Chevy Chase - PAETEC COMMUNICATIONS, INC. - MD
Lanham - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
BADEN - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
BETHESDA - VERIZON MARYLAND, INC.
Williamsport - VERIZON MARYLAND, INC.
Landover - VERIZON MARYLAND, INC.
Laurel - BALTIMORE-WASHINGTON TELEPHONE BWT
Silver Spring - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Chevy Chase - PAETEC COMMUNICATIONS, INC. - MD
SILVER SPRING - VERIZON MARYLAND, INC.
SILVER SPRING - VERIZON MARYLAND, INC.
Bethesda - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
Columbia - VERIZON MARYLAND, INC.
Hagerstown - NEW FRONTIERS TELECOMMUNICATIONS, INC.
Silver Spring - VERIZON MARYLAND, INC.
Clinton - VERIZON MARYLAND, INC.
Frederick -
GERMANTOWN - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Silver Spring - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
POOLESVILLE - VERIZON MARYLAND, INC.
FREDERICK - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
MOUNT AIRY - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
LA PLATA - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
-
Alexandria - METROCALL
Beltsville - SPRINT SPECTRUM L.P.
COLLEGE PARK - VERIZON MARYLAND, INC.
COLLEGE PARK - VERIZON MARYLAND, INC.
Cumberland - USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD
Laurel - VERIZON MARYLAND, INC.
Landover - VERIZON MARYLAND, INC.
Frederick - VERIZON MARYLAND, INC.
Frederick - VERIZON MARYLAND, INC.
Columbia - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Frederick - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
UPPER MARLBORO - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Columbia - VERIZON MARYLAND, INC.
TEMPLE HILLS - VERIZON MARYLAND, INC.
Frederick - VERIZON MARYLAND, INC.
WALDORF - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Hagerstown - NEW FRONTIERS TELECOMMUNICATIONS, INC.
Landover - VERIZON MARYLAND, INC.
RESTON - LEVEL 3 COMMUNICATIONS, LLC - MD
WALDORF - VERIZON MARYLAND, INC.
FREDERICK - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Gaithersburg - VERIZON MARYLAND, INC.
Adelphi - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Washington - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Frederick - VERIZON MARYLAND, INC.
WALDORF - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Laurel - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
SILVER SPRING - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Adelphi - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Chevy Chase - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Chevy Chase - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Chevy Chase - VERIZON MARYLAND, INC.
Chevy Chase - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Frederick - DOBSON CELLULAR SYSTEMS, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Frederick - VERIZON MARYLAND, INC.
Frederick - VERIZON MARYLAND, INC.
Chevy Chase - VERIZON MARYLAND, INC.
Hagerstown - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Frederick - DOBSON CELLULAR SYSTEMS, INC.
Frederick - VERIZON MARYLAND, INC.
SUITLAND - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Hagerstown - NEW FRONTIERS TELECOMMUNICATIONS, INC.
Silver Spring - NEXTEL COMMUNICATIONS
Hagerstown - NEW FRONTIERS TELECOMMUNICATIONS, INC.
Silver Spring - NEXTEL COMMUNICATIONS
Beltsville - OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
Frederick - DOBSON CELLULAR SYSTEMS, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
HANCOCK - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Silver Spring - VERIZON MARYLAND, INC.
SILVER SPRING - VERIZON MARYLAND, INC.
Frederick - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
OXON HILL - VERIZON MARYLAND, INC.
FROSTBURG - VERIZON MARYLAND, INC.
LAUREL - VERIZON MARYLAND, INC.
FROSTBURG - VERIZON MARYLAND, INC.
-
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Frederick - OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
Frederick - VERIZON MARYLAND, INC.
Frederick - VERIZON MARYLAND, INC.
Frederick - VERIZON MARYLAND, INC.
- DOBSON CELLULAR SYSTEMS, INC.
Frederick - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
-
Hyattsville - VERIZON MARYLAND, INC.
TEMPLE HILLS - VERIZON MARYLAND, INC.
Frederick - LEVEL 3 COMMUNICATIONS, LLC - MD
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
WALDORF - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Cumberland - USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD
Savage - ARCH WIRELESS HOLDINGS, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
-
-
Frederick -
Silver Spring - VERIZON MARYLAND, INC.
Hagerstown - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Beltsville - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Chevy Chase - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Gaithersburg - VERIZON MARYLAND, INC.
Cumberland - VERIZON MARYLAND, INC.
Cumberland - VERIZON MARYLAND, INC.
Cumberland - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
-
Laurel - BALTIMORE-WASHINGTON TELEPHONE BWT
Beltsville - OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
CRESAPTOWN - VERIZON MARYLAND, INC.
Frederick - DOBSON CELLULAR SYSTEMS, INC.
Lanham - VERIZON MARYLAND, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
Hagerstown - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
SUITLAND - VERIZON MARYLAND, INC.
SUITLAND - VERIZON MARYLAND, INC.
LEXINGTON PARK - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
Hagerstown - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
RESTON - LEVEL 3 COMMUNICATIONS, LLC - MD
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
INDIAN HEAD - VERIZON MARYLAND, INC.
INDIAN HEAD - VERIZON MARYLAND, INC.
Hagerstown - VERIZON MARYLAND, INC.
FRIENDSVILLE - VERIZON MARYLAND, INC.
Washington - TELEPORT COMMUNICATIONS GROUP, INC. - DC
Frederick - NEXTEL COMMUNICATIONS
OXON HILL - VERIZON MARYLAND, INC.
- CORE COMMUNICATIONS, INC. - MD
Washington - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Washington - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
INDIAN HEAD - VERIZON MARYLAND, INC.
SILVER SPRING - VERIZON MARYLAND, INC.
- MCI WORLDCOM COMMUNICATIONS, INC. - MD
Laurel - XSPEDIUS MANAGEMENT CO SWITCHES SERVICES, LLC - MD
PATUXENT NAVAL AIR TEST C - VERIZON MARYLAND, INC.
Adelphi - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Cumberland - VERIZON MARYLAND, INC.
RESTON - LEVEL 3 COMMUNICATIONS, LLC - MD
RESTON - LEVEL 3 COMMUNICATIONS, LLC - MD
Rockville - VERIZON MARYLAND, INC.
SUITLAND - VERIZON MARYLAND, INC.
WALDORF - VERIZON MARYLAND, INC.
Bethesda - VERIZON MARYLAND, INC.
Hagerstown - VERIZON MARYLAND, INC.
Bethesda - VERIZON MARYLAND, INC.
RESTON - LEVEL 3 COMMUNICATIONS, LLC - MD
MILESTOWN - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
Chevy Chase - VERIZON MARYLAND, INC.
Landover - VERIZON MARYLAND, INC.
Landover - VERIZON MARYLAND, INC.
Olney - VERIZON MARYLAND, INC.
Adelphi - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Laurel - VERIZON MARYLAND, INC.
Cumberland - VERIZON MARYLAND, INC.
- MCI WORLDCOM COMMUNICATIONS, INC. - MD
Hyattsville - VERIZON MARYLAND, INC.
UPPER MARLBORO - VERIZON MARYLAND, INC.
Hagerstown - NEW FRONTIERS TELECOMMUNICATIONS, INC.
BRANDYWINE - VERIZON MARYLAND, INC.
Hagerstown - NEW FRONTIERS TELECOMMUNICATIONS, INC.
Cumberland - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
KEYSER - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
FREDERICK - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Damascus - CORE COMMUNICATIONS, INC. - PA
Hagerstown - VERIZON MARYLAND, INC.
Hagerstown - VERIZON MARYLAND, INC.
Beltsville - OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
Beltsville - OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
Lanham - VERIZON MARYLAND, INC.
Washington - MCIMETRO, ATS, INC.
Beltsville - VERIZON MARYLAND, INC.
Hagerstown - VERIZON MARYLAND, INC.
NEW MARKET - VERIZON MARYLAND, INC.
MOUNT AIRY - CORE COMMUNICATIONS, INC. - MD
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
BETHESDA - VERIZON MARYLAND, INC.
Washington - MCIMETRO, ATS, INC.
Bowie - VERIZON MARYLAND, INC.
Beltsville - SPRINT SPECTRUM L.P.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
CAPITOL HEIGHTS - VERIZON MARYLAND, INC.
Bowie - VERIZON MARYLAND, INC.
Monrovia - AT&T LOCAL
-
NORTH BEACH - VERIZON MARYLAND, INC.
Laurel - BALTIMORE-WASHINGTON TELEPHONE BWT
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Frederick - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
SUITLAND - VERIZON MARYLAND, INC.
WALDORF - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Washington - AT&T LOCAL
Washington - AT&T LOCAL
Washington - AT&T LOCAL
Washington - AT&T LOCAL
SMITHSBURG - VERIZON MARYLAND, INC.
Washington - AT&T LOCAL
LEXINGTON PARK - VERIZON MARYLAND, INC.
Bethesda - VERIZON MARYLAND, INC.
Washington - AT&T LOCAL
MOUNT AIRY - VERIZON MARYLAND, INC.
Washington - AT&T LOCAL
BUCKEYSTOWN - VERIZON MARYLAND, INC.
Washington - AT&T LOCAL
Washington - AT&T - LOCAL - TN
Brunswick - VERIZON MARYLAND, INC.
Hagerstown - VERIZON MARYLAND, INC.
TEMPLE HILLS - VERIZON MARYLAND, INC.
Washington - MCIMETRO, ATS, INC.
Rockville - VERIZON MARYLAND, INC.
OXON HILL - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Washington - MCIMETRO, ATS, INC.
CLEAR SPRING - VERIZON MARYLAND, INC.
WALDORF - VERIZON MARYLAND, INC.
Washington - VERIZON MARYLAND, INC.
WALKERSVILLE - VERIZON MARYLAND, INC.
Frederick - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
Washington - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Hagerstown - NEW FRONTIERS TELECOMMUNICATIONS, INC.
RESTON - LEVEL 3 COMMUNICATIONS, LLC - MD
Hyattsville - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Clarksville - VERIZON MARYLAND, INC.
NORTH BEACH - VERIZON MARYLAND, INC.
Clinton - VERIZON MARYLAND, INC.
MOUNT AIRY - CORE COMMUNICATIONS, INC. - MD
SAINT MARGARETS - VERIZON MARYLAND, INC.
Frederick - LEVEL 3 COMMUNICATIONS, LLC - MD
Bowie - VERIZON MARYLAND, INC.
RESTON - LEVEL 3 COMMUNICATIONS, LLC - MD
LEXINGTON PARK - VERIZON MARYLAND, INC.
LEXINGTON PARK - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
NEW MARKET - VERIZON MARYLAND, INC.
LEXINGTON PARK - VERIZON MARYLAND, INC.
Washington - MCIMETRO, ATS, INC.
Clinton - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
WALDORF - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
RIDGE - VERIZON MARYLAND, INC.
Adelphi - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
BUCKEYSTOWN - VERIZON MARYLAND, INC.
Laurel - NATIONSLINE, INC.-MD
Frederick - LEVEL 3 COMMUNICATIONS, LLC - MD
Clinton - VERIZON MARYLAND, INC.
Baltimore - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
RESTON - LEVEL 3 COMMUNICATIONS, LLC - MD
Rockville - VERIZON MARYLAND, INC.
MOUNT AIRY - CORE COMMUNICATIONS, INC. - MD
Landover - VERIZON MARYLAND, INC.
MECHANICSVILLE - VERIZON MARYLAND, INC.
WALDORF - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
BADEN - VERIZON MARYLAND, INC.
GALESVILLE - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
WALDORF - VERIZON MARYLAND, INC.
TEMPLE HILLS - VERIZON MARYLAND, INC.
GRANTSVILLE - VERIZON MARYLAND, INC.
BETHESDA - VERIZON MARYLAND, INC.
BETHESDA - VERIZON MARYLAND, INC.
WALKERSVILLE - VERIZON MARYLAND, INC.
TEMPLE HILLS - VERIZON MARYLAND, INC.
-
COLLEGE PARK - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
GERMANTOWN - VERIZON MARYLAND, INC.
Washington - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
SILVER SPRING - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Chevy Chase - VERIZON MARYLAND, INC.
Adelphi - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Washington - MCIMETRO, ATS, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
-
ODENTON - VERIZON MARYLAND, INC.
Chevy Chase - VERIZON MARYLAND, INC.
Savage - ARCH WIRELESS HOLDINGS, INC.
Lanham - STARPOWER COMMUNICATIONS, LLC - MD
GERMANTOWN - VERIZON MARYLAND, INC.
Lanham - STARPOWER COMMUNICATIONS, LLC - MD
Lanham - VERIZON MARYLAND, INC.
Greenbelt - SOUTHWESTERN BELL MOBILE SYSTEMS, LLC - DC
Lanham - STARPOWER COMMUNICATIONS, LLC - MD
Gaithersburg - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Hyattsville - VERIZON MARYLAND, INC.
Olney - VERIZON MARYLAND, INC.
Landover - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Adelphi - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Silver Spring - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
LA PLATA - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
LA PLATA - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Washington - VERIZON MARYLAND, INC.
Beltsville - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Laurel - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Chevy Chase - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
Washington - MCIMETRO, ATS, INC.
Washington - MCIMETRO, ATS, INC.
Silver Spring - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
-
Chevy Chase - VERIZON MARYLAND, INC.
UPPER MARLBORO - VERIZON MARYLAND, INC.
Laurel - VERIZON MARYLAND, INC.
Baltimore - VERIZON MARYLAND, INC.
Washington - MCIMETRO, ATS, INC.
- VERIZON MARYLAND, INC.
Washington - MCIMETRO, ATS, INC.
-
-
Washington - MCIMETRO, ATS, INC.
Chevy Chase - VERIZON MARYLAND, INC.
Silver Spring - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Frederick - DOBSON CELLULAR SYSTEMS, INC.
Washington - MCIMETRO, ATS, INC.
Washington - MCIMETRO, ATS, INC.
SUITLAND - VERIZON MARYLAND, INC.
- MCI WORLDCOM COMMUNICATIONS, INC. - MD
-
Annapolis - VERIZON MARYLAND, INC.
Lanham - STARPOWER COMMUNICATIONS, LLC - MD
GERMANTOWN - VERIZON MARYLAND, INC.
Columbia - VERIZON MARYLAND, INC.
Lanham - STARPOWER COMMUNICATIONS, LLC - MD
Gaithersburg - VERIZON MARYLAND, INC.
Laurel -
Gaithersburg - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Annapolis Junction - CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
WASHINGTON - FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
COLLEGE PARK - VERIZON MARYLAND, INC.
Bethesda - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
Hyattsville - VERIZON MARYLAND, INC.
Chevy Chase - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Frederick - USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD
Silver Spring - VERIZON MARYLAND, INC.
Gaithersburg - VERIZON MARYLAND, INC.
Hagerstown - SPRINT SPECTRUM L.P. - MD
Hagerstown - SPRINT SPECTRUM L.P. - MD
COLLEGE PARK - VERIZON MARYLAND, INC.
VALLEY LEE - VERIZON MARYLAND, INC.
PATUXENT NAVAL AIR TEST C - VERIZON MARYLAND, INC.
Beltsville - SPRINT SPECTRUM L.P.
LEONARDTOWN - VERIZON MARYLAND, INC.
Rockville - VERIZON MARYLAND, INC.
Hagerstown - VERIZON MARYLAND, INC.
