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: 253

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-253 A Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654      
307-253 0 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2009-08-07   
307-253 1 Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654   2008-05-12   
307-253 2 Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654   2008-05-12   
307-253 3 Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654   2008-05-12   
307-253 4 Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654   2008-05-12   
307-253 5 Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654   2008-05-12   
307-253 6 Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654   2008-05-12   
307-253 7 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2009-10-12   
307-253 8 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2010-02-08   
307-253 9 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2011-01-20   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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