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Phone Directory 303-521 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 521-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-521 Denver, CO Sprint Spectrum L.p. Denver Cell Number 10/15/1996

Other Series For Prefixes

303-5210###
303-5211###
303-5212###
303-5213###
303-5214###
303-5215###
303-5216###
303-5217###
303-5218###
303-5219###