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Phone Directory 303-544 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-544 Denver, CO Qwest Corporation Jefferson Landline 04/01/1997

Other Series For Prefixes

303-5440###
303-5441###
303-5442###
303-5443###
303-5444###
303-5445###
303-5446###
303-5447###
303-5448###
303-5449###