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Phone Directory 303-857 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 857-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-857 Fort Lupton, CO Qwest Corporation Weld Landline 02/04/1994

Other Series For Prefixes

303-8570###
303-8571###
303-8572###
303-8573###
303-8574###
303-8575###
303-8576###
303-8577###
303-8578###
303-8579###