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Phone Directory 303-900 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 900-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-900 Idaho Springs, CO Level 3 Communications Clear Creek Landline 01/10/2007

Other Series For Prefixes

303-9000###
303-9001###
303-9002###
303-9003###
303-9004###
303-9005###
303-9006###
303-9007###
303-9008###
303-9009###