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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: LGVWTXPLX1X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
430-243 A Henderson TX 004F BANDWIDTH.COM CLEC, LLC - TX 554      
430-558 A Longview TX 004F BANDWIDTH.COM CLEC, LLC - TX 554      
430-901 A Omaha TX 004F BANDWIDTH.COM CLEC, LLC - TX 554      
903-210 A Longview TX 9748 AMERICAN MESSAGING SERVICES, LLC 554      
903-309 A Longview TX 004F BANDWIDTH.COM CLEC, LLC - TX 554      
903-371 A Longview TX 004F BANDWIDTH.COM CLEC, LLC - TX 554      
903-483 A Kilgore TX 004F BANDWIDTH.COM CLEC, LLC - TX 554      
903-637 A Pittsburg TX 9748 AMERICAN MESSAGING SERVICES, LLC 554      
903-977 A New Summerfield TX 004F BANDWIDTH.COM CLEC, LLC - TX 554      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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