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Phone Directory 303-952 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-952 Denver, CO Level 3 Communications Denver Landline 11/20/1998

Other Series For Prefixes

303-9520###
303-9521###
303-9522###
303-9523###
303-9524###
303-9525###
303-9526###
303-9527###
303-9528###
303-9529###