Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 9416 LEVEL 3 COMMUNICATIONS, LLC - WY

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
307-877 7 Kemmerer WY CHYNWYMAEMD  654   2005-02-26   
307-877 8 Kemmerer WY CHYNWYMAEMD  654   2012-02-26   
307-888 2 Old Faithful WY BLNGMTWE6MD  650   2023-01-27   
307-900 3 Glendo WY CHYNWYMAEMD  654   2023-03-17   
307-949 4 Newcastle WY CHYNWYMAEMD  654   2023-06-10   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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