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: DYTNOH22X2Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-250 A Dayton OH 309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328      
937-250 0 Dayton OH 309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328   2017-07-02   
937-452 8 Camden OH 309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328   2020-02-29   
937-787 8 Gratis OH 309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328   2020-03-06   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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