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The 301-212-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

301-212-6636New Cingular Wireless PCS - DC
301-212-6542Verizon Maryland
301-212-1253Verizon Maryland
301-212-5461Verizon Maryland
301-212-7679Sprint Spectrum L.p.
301-212-2349Verizon Maryland
301-212-4524Mcimetro Access Transmission Services LLC
301-212-8266Verizon Maryland
301-212-3287Verizon Maryland
301-212-8743Mci Worldcom Communications
301-212-6969Verizon Maryland
301-212-2193New Cingular Wireless PCS - DC
301-212-4633New Cingular Wireless PCS - DC
301-212-6394Verizon Maryland
301-212-1695Cellco Partnership DBA Verizon Wireless
301-212-9014Verizon Maryland
301-212-5969Verizon Maryland
301-212-7622Verizon Maryland
301-212-9050Mci Worldcom Communications

Most searched numbers

Cell
All TimeThis Month
301-212-5773First seen 2016-10-25301-212-2345First seen 2018-01-30
301-212-6035First seen 2013-04-10301-212-6435First seen 2011-12-29
301-212-7895First seen 2015-12-21301-212-9511First seen 2011-03-21
301-212-8260First seen 2015-11-21301-212-3791First seen 2013-06-27
301-212-6715First seen 2014-05-03301-212-2722First seen 2012-10-17
Landline
All TimeThis Month
301-212-5865First seen 2016-05-25301-212-2719First seen 2012-07-06
301-212-2543First seen 2010-10-08301-212-9903First seen 2019-07-01
301-212-5865First seen 2018-01-03301-212-8359First seen 2015-09-26
301-212-8359First seen 2017-04-24301-212-2747First seen 2017-04-09
301-212-6517First seen 2018-11-29301-212-5865First seen 2011-07-08

Cities With coverage

CITY LIST
Accident
Adamstown
Annapolis
Ashton
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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