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Phone Directory 303-561 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 561-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-561 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-5610###
303-5611###
303-5612###
303-5613###
303-5614###
303-5615###
303-5616###
303-5617###
303-5618###
303-5619###