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Phone Directory 303-820 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 820-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-820 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-8200###
303-8201###
303-8202###
303-8203###
303-8204###
303-8205###
303-8206###
303-8207###
303-8208###
303-8209###