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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Uncertain, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
430-789 A LGVWTXPLXEX  903C ONVOY, LLC - TX 554      
430-789 0 LGVWTXPLXZX  073H TELNYX LLC 554      
430-789 3 TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554      
430-789 4 LGVWTXPLXEX  903C ONVOY, LLC - TX 554      
430-789 5 TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554      
430-789 6 TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554      
430-789 7 LGVWTXPLXEX  903C ONVOY, LLC - TX 554      
430-789 9 LGVWTXPLX5Y  965H FRACTEL, LLC 554      
903-789 A UNCTTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 554      

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

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