Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Cokeville, WY

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
307-229 A   6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-229 2   145J TERRA NOVA TELECOM INC. 654   2025-07-14   
307-229 8 CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2021-05-22   
307-229 9 CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2021-05-22   
307-270 A CHYNWYVACM1  013B UNION TELEPHONE COMPANY 654      
307-279 A EVTNWY162MD  2290 ALL WEST COMMUNICATIONS - WY 654      
307-600 A CHYNWYVACM1  013B UNION TELEPHONE COMPANY 654      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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