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Phone Directory 303-633 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 633-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-633 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-6330###
303-6331###
303-6332###
303-6333###
303-6334###
303-6335###
303-6336###
303-6337###
303-6338###
303-6339###