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: DYTNOH25DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-252 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-253 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-254 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-256 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-258 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-259 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-259 0 Dayton OH 9321 OHIO BELL TEL CO 328      
937-259 1 Dayton OH 9321 OHIO BELL TEL CO 328      
937-259 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-259 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-259 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-259 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-259 7 Dayton OH 9321 OHIO BELL TEL CO 328      
937-259 9 Dayton OH 9321 OHIO BELL TEL CO 328      
937-476 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-476 0 Dayton OH 9321 OHIO BELL TEL CO 328      
937-476 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-476 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-476 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-476 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-476 8 Dayton OH 9321 OHIO BELL TEL CO 328      
937-781 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-781 0 Dayton OH 9321 OHIO BELL TEL CO 328      
937-781 1 Dayton OH 9321 OHIO BELL TEL CO 328      
937-781 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-781 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-781 4 Dayton OH 9321 OHIO BELL TEL CO 328      
937-781 7 Dayton OH 9321 OHIO BELL TEL CO 328      
937-781 8 Dayton OH 9321 OHIO BELL TEL CO 328      
937-781 9 Dayton OH 9321 OHIO BELL TEL CO 328      

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

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