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Phone Directory 307-242 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Example: (307) 242-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-242 Yellowstone National Park, WY Qwest Corporation Teton Landline 02/04/1994

Other Series For Prefixes

307-2420###
307-2421###
307-2422###
307-2423###
307-2424###
307-2425###
307-2426###
307-2427###
307-2428###
307-2429###