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Phone Directory 303-394 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 394-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-394 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-3940###
303-3941###
303-3942###
303-3943###
303-3944###
303-3945###
303-3946###
303-3947###
303-3948###
303-3949###