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The 301-620-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

301-620-7900Verizon Maryland
301-620-3271Verizon Maryland
301-620-7794New Cingular Wireless PCS - DC
301-620-3758Verizon Maryland
301-620-5323Teleport Communications America - DC
301-620-5321Mci Worldcom Communications
301-620-6011Verizon Maryland
301-620-9686Verizon Maryland
301-620-3191Cellco Partnership DBA Verizon Wireless
301-620-3104Verizon Maryland
301-620-2656Mci Worldcom Communications
301-620-3501Verizon Maryland
301-620-5570Verizon Maryland
301-620-3749Verizon Maryland
301-620-3598Mci Worldcom Communications
301-620-8200Verizon Maryland
301-620-3330Teleport Communications America - DC
301-620-1862Mci Worldcom Communications

Most searched numbers

Cell
All TimeThis Month
301-620-8460First seen 2017-08-23301-620-4723First seen 2017-05-13
301-620-2315First seen 2013-03-17301-620-8460First seen 2017-05-21
301-620-6287First seen 2017-08-03301-620-5295First seen 2011-01-30
301-620-8264First seen 2011-02-04301-620-3871First seen 2011-08-29
301-620-9129First seen 2019-08-20301-620-9792First seen 2019-06-21
Landline
All TimeThis Month
301-620-9219First seen 2012-11-21301-620-9210First seen 2017-02-02
301-620-9079First seen 2019-03-18301-620-3939First seen 2018-04-23
301-620-2485First seen 2011-03-08301-620-7598First seen 2011-11-29
301-620-8289First seen 2015-06-13301-620-6350First seen 2019-11-02
301-620-8289First seen 2011-09-29301-620-4686First seen 2014-09-29

Cities With coverage

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Glenn Dale
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Indian Head
Issue
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Oakland
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Patuxent River
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Rockville
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Upper Marlboro
Valley Lee
Waldorf
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Westernport
Williamsport