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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) 225

CityDenver
CountyDenver
CarrierGlobal Crossing Local Services Inc.-co
View Prefix
Wireless

(303) 229

CityEnglewood
CountyArapahoe
CarrierCellco Partnership Dba Verizon Wireless - Co
View Prefix