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Phone Directory 303-356 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 356-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-356 Denver, CO Sprint Spectrum L.p. Jefferson Cell Number 01/25/1998

Other Series For Prefixes

303-3560###
303-3561###
303-3562###
303-3563###
303-3564###
303-3565###
303-3566###
303-3567###
303-3568###
303-3569###