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Phone Directory 303-937 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 937-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-937 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-9370###
303-9371###
303-9372###
303-9373###
303-9374###
303-9375###
303-9376###
303-9377###
303-9378###
303-9379###