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Phone Directory 303-756 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 756-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-756 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-7560###
303-7561###
303-7562###
303-7563###
303-7564###
303-7565###
303-7566###
303-7567###
303-7568###
303-7569###