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Phone Directory 303-775 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 775-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-775 Longmont, CO Cellco Partnership DBA Verizon Wireless Boulder Cell Number 02/04/1994

Other Series For Prefixes

303-7750###
303-7751###
303-7752###
303-7753###
303-7754###
303-7755###
303-7756###
303-7757###
303-7758###
303-7759###