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Phone Directory 303-372 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 372-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-372 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-3720###
303-3721###
303-3722###
303-3723###
303-3724###
303-3725###
303-3726###
303-3727###
303-3728###
303-3729###