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Colorado area code map

Recently Unidentified numbers

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

303-263-2690Cellco Partnership DBA Verizon Wireless
720-885-1314Leap Wireless Intl DBA Cricket Comm
303-735-5132Qwest Corporation
303-463-4316Qwest Corporation
719-974-9282360networks (usa) Inc.
719-695-2250Level 3 Communications
719-176-6976Unknown Network
303-433-9833Qwest Corporation
970-204-4402Qwest Corporation
719-541-4149Big Sandy Telecom
970-378-2079Qwest Corporation
970-363-7905Level 3 Communications
719-535-6315Qwest Corporation
970-282-3312Qwest Corporation
720-980-3890Sprint Spectrum L.p.
719-556-3600Tw Telecom Of Colorado LLC
970-629-4395Cellco Partnership DBA Verizon Wireless
719-935-1275Unknown Network
719-524-6850Qwest Corporation
970-919-7910Unknown Network

Recently Reported Numbers

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

(618) 977-8699Dangerous

SSN alert scam.

(828) 575-0844Harassing

Unwanted sales call

(418) 836-4385Harassing

no voice

(204) 289-1539Harassing

Keeps calling, line is blank. Called it back says phone number unavailable

(559) 634-0197Dangerous

BE AWARE! This person is claiming to be John Welsberg. He will ask you for your bank info to add you into his Wells Fargo account as beneficiary or will send you a check. Stay away!!!

Statistics about Colorado phone numbers


Number of area codes
in Colorado

53 +

Reported numbers from

Area codes for the largest cities in Colorado


Most searched numbers

All Time This Month
303-735-5592 First seen 2015-05-28 303-263-7453 First seen 2018-03-08
970-204-4921 First seen 2018-10-31 719-541-6408 First seen 2010-07-06
970-363-1026 First seen 2016-10-11 719-176-1198 First seen 2015-05-04
719-556-5984 First seen 2015-05-30 303-263-7453 First seen 2010-07-31
303-735-5592 First seen 2017-12-24 719-695-5133 First seen 2015-11-15
All Time This Month
719-695-3482 First seen 2011-05-21 719-176-2621 First seen 2013-11-06
970-282-5417 First seen 2016-04-08 303-263-5058 First seen 2014-02-24
303-263-5058 First seen 2015-05-16 719-535-3976 First seen 2013-02-15
970-363-8297 First seen 2013-09-23 719-935-7941 First seen 2019-03-10
719-974-9958 First seen 2015-12-23 970-363-8297 First seen 2017-09-21