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: 480

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-480 A Thermopolis WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-480 0 Thermopolis WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2005-08-12   
307-480 1 Thermopolis WY CSPRWYESPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2021-09-06   
307-480 8 Thermopolis WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2013-05-30   
307-480 9 Thermopolis WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2018-04-22   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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