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Phone Directory 303-302 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 302-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-302 Denver, CO Xo Colorado Jefferson Landline 11/20/1998

Other Series For Prefixes

303-3020###
303-3021###
303-3022###
303-3023###
303-3024###
303-3025###
303-3026###
303-3027###
303-3028###
303-3029###