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The 301-427-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

301-427-7213Verizon Maryland
301-427-6709Verizon Maryland
301-427-8342Verizon Maryland
301-427-6995Verizon Maryland
301-427-9582Verizon Maryland
301-427-8303Verizon Maryland
301-427-8848Verizon Maryland
301-427-2674Paetec Communications
301-427-4176Verizon Maryland
301-427-7370Omnipoint Communications Cap Operations
301-427-4061Verizon Maryland
301-427-7000Verizon Maryland
301-427-9615Verizon Maryland
301-427-9733Verizon Maryland
301-427-2664Verizon Maryland
301-427-8763Verizon Maryland
301-427-2945Verizon Maryland
301-427-2071Usa Mobility Wireless

Most searched numbers

Cell
All TimeThis Month
301-427-8678First seen 2010-07-27301-427-6303First seen 2019-09-20
301-427-7061First seen 2014-06-30301-427-5000First seen 2019-02-15
301-427-6303First seen 2012-07-02301-427-6683First seen 2014-02-16
301-427-3141First seen 2017-05-25301-427-1772First seen 2010-09-25
301-427-2967First seen 2014-06-20301-427-8724First seen 2015-11-19
Landline
All TimeThis Month
301-427-9420First seen 2014-09-08301-427-4980First seen 2011-03-04
301-427-7725First seen 2013-06-10301-427-9444First seen 2019-11-02
301-427-7578First seen 2015-08-23301-427-9107First seen 2018-07-31
301-427-7578First seen 2018-06-24301-427-4518First seen 2011-05-18
301-427-9420First seen 2018-06-17301-427-9107First seen 2013-02-01

Cities With coverage

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