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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
513-261 A Middletown OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-255 A Dayton OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-257 A Dayton OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-425 A Dayton OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-481 A Wilmington OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-487 A Dayton OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-490 A Beavercreek OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-531 A Dayton OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-550 A Franklin OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-560 A Miamisburg-West Carrollton OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-576 A Vandalia OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-656 A Dayton OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-713 A Dayton OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328   2012-09-23   
937-874 A Fairborn OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      
937-904 A Dayton OH 7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328      

Last updated: Wed, 01 Apr 2020 02:09:16 UTC

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