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Phone Directory 303-933 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 933-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-933 Denver, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-9330###
303-9331###
303-9332###
303-9333###
303-9334###
303-9335###
303-9336###
303-9337###
303-9338###
303-9339###