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: PITEPADT7MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
878-309 3 Greensburg PA 4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2019-05-20   
878-332 A Wexford PA 4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
878-332 0 Wexford PA 4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2019-02-02   
878-332 2 Wexford PA 4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2014-03-21   
878-332 5 Wexford PA 4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2017-10-07   
878-379 7 Waynesburg PA 4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2022-11-27   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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