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: 426

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-426 A Cheyenne WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654      
307-426 0 Cheyenne WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2024-12-02   
307-426 4 Cheyenne WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2007-07-16   
307-426 5 Cheyenne WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2010-02-18   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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