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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Westfield, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
832-957 6 HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560   2015-05-19   
832-957 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2015-01-09   
832-957 8 HSTNTXWEDS0  9533 SOUTHWESTERN BELL 560   2014-09-03   
832-957 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2015-01-09   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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