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Phone Directory 303-438 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 438-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-438 Denver, CO Qwest Corporation Adams Landline 02/04/1994

Other Series For Prefixes

303-4380###
303-4381###
303-4382###
303-4383###
303-4384###
303-4385###
303-4386###
303-4387###
303-4388###
303-4389###