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: 267

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-267 A Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-267 0 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-267 1 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-267 2 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-267 3 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-267 4 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-267 5 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-267 6 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-267 7 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-267 8 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-267 9 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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