Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-391 A Moorcroft WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-391 0 Moorcroft WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2005-05-06   
307-391 1 Moorcroft WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2009-10-26   
307-391 2 Moorcroft WY   792K CHARTER IP ENABLED SERVICES, LLC 654   2026-03-29   
307-391 6 Moorcroft WY   145J TERRA NOVA TELECOM INC. 654   2025-07-14   
307-391 9 Moorcroft WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2016-05-20   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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