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Phone Directory 303-557 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 557-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-557 Aurora, CO Global Crossing Local Services-co Jefferson Landline 08/14/1998

Other Series For Prefixes

303-5570###
303-5571###
303-5572###
303-5573###
303-5574###
303-5575###
303-5576###
303-5577###
303-5578###
303-5579###