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Phone Directory 303-630 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 630-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-630 Denver, CO Qwest Corporation Denver Landline 07/01/1996

Other Series For Prefixes

303-6300###
303-6301###
303-6302###
303-6303###
303-6304###
303-6305###
303-6306###
303-6307###
303-6308###
303-6309###