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Phone Directory 303-764 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 764-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-764 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-7640###
303-7641###
303-7642###
303-7643###
303-7644###
303-7645###
303-7646###
303-7647###
303-7648###
303-7649###