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Phone Directory 303-203 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-203 Denver, CO American Messaging (am) Jefferson Cell Number 01/25/1998

Other Series For Prefixes

303-2030###
303-2031###
303-2032###
303-2033###
303-2034###
303-2035###
303-2036###
303-2037###
303-2038###
303-2039###