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Phone Directory 970-540 Detail

State Major City Time Zone
Colorado Ft Collins Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
970-540 Delta, CO Grand Valley Internet Delta Landline 01/27/2005

Other Series For Prefixes

970-5400###
970-5401###
970-5402###
970-5403###
970-5404###
970-5405###
970-5406###
970-5407###
970-5408###
970-5409###