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: DYTNOH27DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-274 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-275 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-276 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-277 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-278 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-279 A Dayton OH 9321 OHIO BELL TEL CO 328      
937-279 0 Dayton OH 9321 OHIO BELL TEL CO 328      
937-279 1 Dayton OH 9321 OHIO BELL TEL CO 328      
937-279 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-279 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-279 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-279 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-279 8 Dayton OH 9321 OHIO BELL TEL CO 328      
937-279 9 Dayton OH 9321 OHIO BELL TEL CO 328      
937-567 1 Dayton OH 9321 OHIO BELL TEL CO 328      
937-567 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-567 4 Dayton OH 9321 OHIO BELL TEL CO 328      
937-567 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-567 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-567 9 Dayton OH 9321 OHIO BELL TEL CO 328      
937-734 1 Dayton OH 9321 OHIO BELL TEL CO 328      
937-734 2 Dayton OH 9321 OHIO BELL TEL CO 328      
937-734 3 Dayton OH 9321 OHIO BELL TEL CO 328      
937-734 4 Dayton OH 9321 OHIO BELL TEL CO 328      
937-734 5 Dayton OH 9321 OHIO BELL TEL CO 328      
937-734 6 Dayton OH 9321 OHIO BELL TEL CO 328      
937-734 7 Dayton OH 9321 OHIO BELL TEL CO 328      
937-734 8 Dayton OH 9321 OHIO BELL TEL CO 328      
937-734 9 Dayton OH 9321 OHIO BELL TEL CO 328      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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