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Phone Directory 303-427 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-427 Denver, CO Qwest Corporation Adams Landline 02/04/1994

Other Series For Prefixes

303-4270###
303-4271###
303-4272###
303-4273###
303-4274###
303-4275###
303-4276###
303-4277###
303-4278###
303-4279###