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Area Code Lookup

Area Code 303 Phone Lookup

Colorado, United States. Explore phone prefixes, caller activity, exchange details, and community reports connected to this area code.

782prefix records
66lookup pages
303area code

Phone Prefixes in This Area Code

Each prefix groups related phone numbers by exchange, location, carrier, and line type.

Landline

(303) 815

CityDenver
CountyDenver
CarrierInterlink Adv Svc D/b/a Forethought.net - Co
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Wireless

(303) 817

CityWestminster
CountyAdams
CarrierCellco Partnership Dba Verizon Wireless - Co
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Wireless

(303) 818

CityWestminster
CountyAdams
CarrierCellco Partnership Dba Verizon Wireless - Co
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Wireless

(303) 819

CityWestminster
CountyAdams
CarrierCellco Partnership Dba Verizon Wireless - Co
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Landline

(303) 822

CityByers
CountyArapahoe
CarrierBijou Telephone Cooperative Association Inc.
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