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Phone Directory 303-455 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 455-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-455 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-4550###
303-4551###
303-4552###
303-4553###
303-4554###
303-4555###
303-4556###
303-4557###
303-4558###
303-4559###