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Phone Directory 303-318 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 318-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-318 Denver, CO Qwest Corporation Denver Landline 01/11/1997

Other Series For Prefixes

303-3180###
303-3181###
303-3182###
303-3183###
303-3184###
303-3185###
303-3186###
303-3187###
303-3188###
303-3189###