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Phone Directory 303-433 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 433-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-433 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-4330###
303-4331###
303-4332###
303-4333###
303-4334###
303-4335###
303-4336###
303-4337###
303-4338###
303-4339###