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Phone Directory 303-520 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 520-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-520 Denver, CO Sprint Spectrum L.p. Denver Cell Number 10/15/1996

Other Series For Prefixes

303-5200###
303-5201###
303-5202###
303-5203###
303-5204###
303-5205###
303-5206###
303-5207###
303-5208###
303-5209###