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Phone Directory 303-348 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 348-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-348 Aurora, CO Qwest Corporation Adams Landline 02/04/1994

Other Series For Prefixes

303-3480###
303-3481###
303-3482###
303-3483###
303-3484###
303-3485###
303-3486###
303-3487###
303-3488###
303-3489###