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303-999 PHONE NUMBERS

The 303-999-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

303-999-2176Qwest Corporation
303-999-8769Qwest Corporation
303-999-4831Eastern Slope Rural Telephone Association
303-999-6810Cellco Partnership DBA Verizon Wireless
303-999-7314Qwest Corporation
303-999-7520Teleport Communications America
303-999-6278Mcimetro Access Transmission Services LLC
303-999-6560Qwest Corporation
303-999-1291Qwest Corporation
303-999-9470Qwest Corporation
303-999-5812Qwest Corporation
303-999-6025Qwest Corporation
303-999-4326Teleport Communications America
303-999-7744T-mobile Usa
303-999-3198Qwest Corporation
303-999-1307T-mobile Usa
303-999-1299Qwest Corporation

Most searched numbers

Cell
All Time This Month
303-999-4291 First seen 2013-11-10 303-999-6900 First seen 2014-02-10
303-999-5707 First seen 2012-03-29 303-999-8269 First seen 2011-03-07
303-999-6512 First seen 2014-11-17 303-999-6512 First seen 2017-04-12
303-999-7906 First seen 2015-02-24 303-999-1853 First seen 2011-10-07
303-999-2564 First seen 2017-01-11 303-999-6900 First seen 2011-07-24
Landline
All Time This Month
303-999-9357 First seen 2012-02-10 303-999-1779 First seen 2018-02-10
303-999-9357 First seen 2017-05-13 303-999-9357 First seen 2017-06-28
303-999-4181 First seen 2010-11-01 303-999-4071 First seen 2014-04-02
303-999-9357 First seen 2019-02-11 303-999-8237 First seen 2012-12-15
303-999-4089 First seen 2010-11-14 303-999-4071 First seen 2010-07-25

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