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Phone Directory 303-573 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-573 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-5730###
303-5731###
303-5732###
303-5733###
303-5734###
303-5735###
303-5736###
303-5737###
303-5738###
303-5739###