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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Switch: LGVWTXPLXMX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
430-201 A Longview TX 4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 554      
430-201 1 Longview TX 4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 554   2012-09-29   
903-730 9 Tyler TX 4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 554   2012-09-03   

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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