Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
307-677 8   450F ONVOY, LLC - WY 654   2012-01-30   
307-677 9   073H TELNYX LLC 654   2019-03-01   
307-679 A CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-708 A CHYNWYVACM1  013B UNION TELEPHONE COMPANY 654      
307-783 A EVTNWYMADS0  9636 QWEST CORPORATION 654      
307-789 A EVTNWYMADS0  9636 QWEST CORPORATION 654      
307-799 A CHYNWYVACM1  013B UNION TELEPHONE COMPANY 654      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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