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Phone Directory 303-828 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 828-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-828 Denver, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-8280###
303-8281###
303-8282###
303-8283###
303-8284###
303-8285###
303-8286###
303-8287###
303-8288###
303-8289###