Colorado area code map

Recently Unidentified numbers

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

720-682-3996Unknown Network
970-507-9260360networks (usa) Inc.
719-504-3597Unknown Network
720-716-4683Unknown Network
719-443-2894Usa Mobility Wireless
303-443-6783Qwest Corporation
720-736-3895Unknown Network
720-208-1372Xo Colorado
719-562-8069Qwest Corporation
719-475-1060Qwest Corporation
720-978-3166Unknown Network
720-797-9604Unknown Network
970-362-7826Plains Cooperative Telephone Association
720-407-1794Cbeyond Communications
720-881-3999Icg Telecom Group
719-716-2522Unknown Network
970-879-4480Qwest Corporation
719-502-4227Qwest Corporation
970-817-8236Cellco Partnership DBA Verizon Wireless

Recently Reported Numbers

These are numbers that might be spam, scams or that people have reported as unidentified callers

(717) 812-5000Safe

WellSpan Health - Everbridge Staff Alert

Statistics about Colorado phone numbers


Number of area codes
in Colorado

51 +

Reported numbers from

Area codes for the largest cities in Colorado


Most searched numbers

All TimeThis Month
970-590-8276First seen 2012-09-05720-438-8240First seen 2016-11-27
719-143-9347First seen 2011-03-19720-540-3468First seen 2010-03-18
720-554-8307First seen 2015-12-07719-591-7956First seen 2014-10-09
719-317-3355First seen 2011-03-06719-131-7027First seen 2019-12-02
303-299-2806First seen 2010-10-19720-735-2886First seen 2011-09-04
All TimeThis Month
970-304-1359First seen 2014-01-21720-512-5404First seen 2019-06-25
719-104-6464First seen 2014-01-17720-956-6165First seen 2014-04-20
720-883-2165First seen 2017-03-21719-711-1311First seen 2020-01-14
719-808-8499First seen 2013-04-01719-333-4175First seen 2010-07-12
303-777-7119First seen 2013-12-22720-924-8450First seen 2015-08-17