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: DYTNOH22X6Y

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-998 A Englewood OH 001F BANDWIDTH.COM CLEC, LLC - OH 328      
937-998 0 Englewood OH 001F BANDWIDTH.COM CLEC, LLC - OH 328   2015-07-05   
937-999 1 Dayton OH 001F BANDWIDTH.COM CLEC, LLC - OH 328   2011-05-20   

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Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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