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The 301-912-XXXX area code prefix is located in Baltimore, Maryland including Indian Head, Chevy Chase and was originally put into service on February 4th 1994. Run a search and find out who's calling you now.

Recently Reported Numbers

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Recently Unidentified numbers

301 area code numbers that might be spam, scams or that people have reported as unidentified callers

301-912-7290Verizon Maryland
301-912-1261Verizon Maryland
301-912-9279Verizon Maryland
301-912-3987Sprint Spectrum L.p.
301-912-3386Verizon Maryland
301-912-2570Mci Worldcom Communications
301-912-7356Verizon Maryland
301-912-5510Sprint Spectrum L.p.
301-912-4943Teleport Communications America - DC
301-912-2051Usa Mobility Wireless
301-912-5050Verizon Maryland
301-912-6587Cellco Partnership DBA Verizon Wireless
301-912-1910Usa Mobility Wireless
301-912-2243Verizon Maryland
301-912-3696Verizon Maryland
301-912-4804Mcimetro Access Transmission Services LLC
301-912-3128Mcimetro Access Transmission Services LLC

Most searched numbers

Cell
All TimeThis Month
301-912-5802First seen 2016-12-01301-912-1562First seen 2016-02-15
301-912-1385First seen 2013-12-16301-912-4738First seen 2010-01-28
301-912-9124First seen 2012-01-08301-912-1385First seen 2016-02-28
301-912-2694First seen 2015-11-29301-912-2694First seen 2012-05-27
301-912-4222First seen 2010-02-10301-912-3492First seen 2014-10-15
Landline
All TimeThis Month
301-912-8540First seen 2013-11-03301-912-5941First seen 2014-12-19
301-912-7337First seen 2011-11-23301-912-2210First seen 2018-05-04
301-912-7595First seen 2013-01-19301-912-5410First seen 2016-01-01
301-912-5629First seen 2012-05-25301-912-8247First seen 2015-03-05
301-912-5629First seen 2012-11-27301-912-8247First seen 2017-07-10

Cities With coverage

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Accident
Adamstown
Annapolis
Ashton
Avenue
Baltimore
Beltsville
Bethesda
Bittinger
Bowie
Brandywine
Brunswick
Bryans Road
Cabin John
Capitol Heights
Chevy Chase
Clear Spring
Clinton
College Park
Columbia
Cumberland
Damascus
Edgewater
Emmitsburg
Fort Washington
Frederick
Friendsville
Frostburg
Gaithersburg
Glen Echo
Glenn Dale
Grantsville
Greenbelt
Hagerstown
Hancock
Highfield
Hollywood
Hughesville
Hyattsville
Indian Head
Issue
Keedysville
Kensington
Kitzmiller
La Plata
Landover
Lanham
Laurel
Leonardtown
Lexington Park
Lonaconing
Mc Henry
Mccoole
Mechanicsville
Middletown
Monrovia
Mount Airy
Mount Rainier
Mount Savage
Myersville
Nanjemoy
New Market
North Beach
Oakland
Odenton
Oldtown
Oxon Hill
Patuxent River
Poolesville
Ridge
Rockville
Sandy Spring
Silver Spring
Smithsburg
Suitland
Swanton
Tall Timbers
Temple Hills
Thurmont
Upper Marlboro
Valley Lee
Waldorf
Walkersville
Westernport
Williamsport