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.

OCN: 309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH

<< 1 2

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
937-521 2 Springfield OH DYTNOH22X2Z  328   2006-03-13   
937-521 3 Springfield OH DYTNOH22X2Z  328   2007-04-01   
937-521 4 Springfield OH DYTNOH22X2Z  328   2007-06-23   
937-521 5 Springfield OH DYTNOH22X2Z  328   2013-07-18   
937-523 1 Springfield OH DYTNOH22X2Z  328   2011-03-31   
937-523 2 Springfield OH DYTNOH22X2Z  328   2011-03-31   
937-523 3 Springfield OH DYTNOH22X2Z  328   2011-03-31   
937-523 4 Springfield OH DYTNOH22X2Z  328   2011-03-31   
937-523 5 Springfield OH DYTNOH22X2Z  328   2011-03-31   
937-523 6 Springfield OH DYTNOH22X2Z  328   2011-03-31   
937-523 7 Springfield OH DYTNOH22X2Z  328   2011-03-31   
937-523 8 Springfield OH DYTNOH22X2Z  328   2011-03-31   
937-523 9 Springfield OH DYTNOH22X2Z  328   2011-03-31   
937-528 6 Dayton OH DYTNOH22X2Z  328   2007-10-14   
937-528 7 Dayton OH DYTNOH22X2Z  328   2007-10-14   
937-529 7 Trotwood OH DYTNOH22X2Z  328   2008-03-15   
937-535 A Dayton OH DYTNOH22X2Z  328      
937-540 A Englewood OH DYTNOH22X2Z  328      
937-540 1 Englewood OH DYTNOH22X2Z  328   2008-03-15   
937-550 0 Franklin OH DYTNOH22X2Z  328   2007-02-12   
937-557 2 Franklin OH DYTNOH22X2Z  328   2013-12-02   
937-557 9 Franklin OH DYTNOH22X2Z  328   2014-05-21   
937-560 0 Miamisburg-West Carrollton OH DYTNOH22X2Z  328   2014-06-02   
937-567 7 Dayton OH DYTNOH22X2Z  328   2007-12-10   
937-567 8 Dayton OH DYTNOH22X2Z  328   2007-12-10   
937-573 2 Troy OH DYTNOH22X2Z  328   2003-11-02   
937-610 A Dayton OH DYTNOH22X2Z  328      
937-610 0 Dayton OH DYTNOH22X2Z  328      
937-610 1 Dayton OH DYTNOH22X2Z  328      
937-610 2 Dayton OH DYTNOH22X2Z  328      
937-610 3 Dayton OH DYTNOH22X2Z  328      
937-610 4 Dayton OH DYTNOH22X2Z  328      
937-610 5 Dayton OH DYTNOH22X2Z  328      
937-610 7 Dayton OH DYTNOH22X2Z  328   2007-01-08   
937-610 9 Dayton OH DYTNOH22X2Z  328   2007-04-12   
937-619 A Centerville (Montgomery) OH DYTNOH22X2Z  328      
937-619 0 Centerville (Montgomery) OH DYTNOH22X2Z  328      
937-619 1 Centerville (Montgomery) OH DYTNOH22X2Z  328      
937-619 2 Centerville (Montgomery) OH DYTNOH22X2Z  328      
937-619 3 Centerville (Montgomery) OH DYTNOH22X2Z  328      
937-619 4 Centerville (Montgomery) OH DYTNOH22X2Z  328      
937-625 8 Blanchester OH DYTNOH22X2Z  328   2024-11-04   
937-665 A Vandalia OH DYTNOH22X2Z  328      
937-665 0 Vandalia OH DYTNOH22X2Z  328      
937-665 1 Vandalia OH DYTNOH22X2Z  328      
937-665 2 Vandalia OH DYTNOH22X2Z  328   2013-09-14   
937-702 A Beavercreek OH DYTNOH22X2Z  328      
937-702 4 Beavercreek OH DYTNOH22X2Z  328   2011-09-29   
937-705 A Beavercreek OH DYTNOH22X2Z  328      
937-705 1 Beavercreek OH DYTNOH22X2Z  328   2010-08-26   
937-724 1 Spring Valley OH DYTNOH22X2Z  328   2023-08-12   
937-734 A Dayton OH DYTNOH22XBY  328      
937-734 0 Dayton OH DYTNOH22XWY  328   2009-03-28   
937-787 8 Gratis OH DYTNOH22X2Z  328   2020-03-06   
937-856 A Dayton OH DYTNOH22X2Z  328      
937-856 0 Dayton OH DYTNOH22X2Z  328   2014-05-18   
937-875 2 Troy OH DYTNOH22X2Z  328   2008-03-15   
937-877 1 Tipp City OH DYTNOH22X2Z  328   2008-03-15   
937-912 0 Beavercreek OH DYTNOH22X2Z  328   2007-01-08   
937-955 1 Germantown OH DYTNOH22X2Z  328   2023-03-24   

<< 1 2

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.