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Phone Directory 303-734 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-734 Denver, CO Qwest Corporation Jefferson Landline 10/15/1996

Other Series For Prefixes

303-7340###
303-7341###
303-7342###
303-7343###
303-7344###
303-7345###
303-7346###
303-7347###
303-7348###
303-7349###