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Phone Directory 303-948 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-948 Denver, CO Qwest Corporation Jefferson Landline 10/15/1996

Other Series For Prefixes

303-9480###
303-9481###
303-9482###
303-9483###
303-9484###
303-9485###
303-9486###
303-9487###
303-9488###
303-9489###