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Phone Directory 303-393 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 393-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-393 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-3930###
303-3931###
303-3932###
303-3933###
303-3934###
303-3935###
303-3936###
303-3937###
303-3938###
303-3939###