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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: ALNAPAALX4X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
814-953 A Youngsville PA 4007 LEVEL 3 COMMUNICATIONS, LLC - PA 230      
814-953 4 Youngsville PA 4007 LEVEL 3 COMMUNICATIONS, LLC - PA 230   2021-10-29   
814-961 0 Johnstown PA 4007 LEVEL 3 COMMUNICATIONS, LLC - PA 230   2016-04-22   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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