Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 746

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-746 A Newcastle WY NWCSWYXCRS0  3410 RT COMMUNICATIONS 654      
307-746 0 Newcastle WY NWCSWYXCRS0  3410 RT COMMUNICATIONS 654      
307-746 1 Newcastle WY NWCSWYXCRS0  3410 RT COMMUNICATIONS 654      
307-746 2 Newcastle WY NWCSWYXCRS0  3410 RT COMMUNICATIONS 654      
307-746 3 Newcastle WY NWCSWYXCRS0  3410 RT COMMUNICATIONS 654      
307-746 4 Newcastle WY NWCSWYXCRS0  3410 RT COMMUNICATIONS 654      
307-746 5 Newcastle WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-746 6 Newcastle WY NWCSWYXCRS0  3410 RT COMMUNICATIONS 654      
307-746 7 Newcastle WY NWCSWYXCRS0  3410 RT COMMUNICATIONS 654      
307-746 8 Newcastle WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-746 9 Newcastle WY NWCSWYXCRS0  3410 RT COMMUNICATIONS 654      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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