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-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
430-271 A Gladewater TX 425J CSC WIRELESS, LLC 554      
430-271 2 Gladewater TX 425J CSC WIRELESS, LLC 554   2019-05-16   
903-202 4 Whitehouse TX 425J CSC WIRELESS, LLC 554   2019-06-14   
903-202 9 Whitehouse TX 425J CSC WIRELESS, LLC 554   2019-06-14   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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