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303-312 PHONE NUMBERS

The 303-312-XXXX area code prefix is located in Denver, Colorado including Aurora, Golden and was originally put into service on February 4th 1994. Run a search and find out who's calling you now.

Recently Reported Numbers

Not Available

Recently Unidentified numbers

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

303-312-4346Qwest Corporation
303-312-9358Xo Colorado
303-312-3862T-mobile Usa
303-312-5003Qwest Corporation
303-312-1443Cellco Partnership DBA Verizon Wireless
303-312-6281Icg Telecom Group
303-312-8510Qwest Corporation
303-312-9394Qwest Corporation
303-312-2121Teleport Communications America
303-312-7572Mcimetro Access Transmission Services LLC
303-312-2363Sprint Spectrum L.p.
303-312-9479Qwest Corporation
303-312-3042Qwest Corporation
303-312-8006Qwest Corporation
303-312-2139Cellco Partnership DBA Verizon Wireless
303-312-3161Qwest Corporation
303-312-2211Qwest Corporation

Most searched numbers

Cell
All Time This Month
303-312-8464 First seen 2016-06-09 303-312-5698 First seen 2019-08-14
303-312-9108 First seen 2014-06-23 303-312-9482 First seen 2019-03-02
303-312-9108 First seen 2017-02-10 303-312-8630 First seen 2015-03-28
303-312-3240 First seen 2012-03-29 303-312-2029 First seen 2010-10-31
303-312-9482 First seen 2019-08-09 303-312-9482 First seen 2013-11-15
Landline
All Time This Month
303-312-1356 First seen 2011-08-02 303-312-6068 First seen 2011-05-26
303-312-6412 First seen 2018-05-11 303-312-2167 First seen 2011-01-09
303-312-6333 First seen 2016-03-06 303-312-3221 First seen 2011-10-08
303-312-6412 First seen 2014-08-24 303-312-6412 First seen 2015-08-12
303-312-2167 First seen 2016-03-06 303-312-6068 First seen 2010-11-25

Cities With coverage

CITY LIST
Allenspark
Aurora
Bennett
Brighton
Byers
Deer Trail
Denver
Englewood
Fort Lupton
Golden
Hudson
Idaho Springs
Keenesburg
Littleton
Longmont
Louisville
Lyons
Roggen
Sedalia
Strasburg