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: GLPTMSATX5X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
228-200 A Hurley MS 516C AT&T CORP. 484   2011-09-19   

Last updated: Wed, 10 Apr 2019 01:22:05 UTC

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