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: TOLDOHIRCMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
419-318 A Sylvania OH 4863 LEVEL 3 COMMUNICATIONS, LLC - OH 326   2005-04-25   
567-202 A Toledo OH 4863 LEVEL 3 COMMUNICATIONS, LLC - OH 326      
567-245 A Fostoria OH 4863 LEVEL 3 COMMUNICATIONS, LLC - OH 326      
567-703 A Holland OH 4863 LEVEL 3 COMMUNICATIONS, LLC - OH 326   2005-10-06   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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