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Phone Directory 303-830 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 830-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-830 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-8300###
303-8301###
303-8302###
303-8303###
303-8304###
303-8305###
303-8306###
303-8307###
303-8308###
303-8309###