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Phone Directory 303-843 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 843-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-843 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-8430###
303-8431###
303-8432###
303-8433###
303-8434###
303-8435###
303-8436###
303-8437###
303-8438###
303-8439###