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: 629

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-629 A Newcastle WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-629 0 Newcastle WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2005-02-14   
307-629 1 Newcastle WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2006-08-26   
307-629 2 Newcastle WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2025-06-27   
307-629 4 Newcastle WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2017-10-15   
307-629 6 Newcastle WY CHYNWYRF6MD  145J TERRA NOVA TELECOM INC. 654   2026-03-16   
307-629 8 Newcastle WY CSPRWYES6MD  792K CHARTER IP ENABLED SERVICES, LLC 654   2019-10-23   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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