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Phone Directory 307-921 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-921 Thermopolis, WY Cellco Partnership DBA Verizon Wireless Hot Springs Cell Number 07/22/1999

Other Series For Prefixes

307-9210###
307-9211###
307-9212###
307-9213###
307-9214###
307-9215###
307-9216###
307-9217###
307-9218###
307-9219###