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: BILXMSMAYMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
228-262 A Biloxi MS 478J NUSO, LLC 484      
228-262 1 Biloxi MS 478J NUSO, LLC 484   2020-11-19   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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