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: DYTNOH2222J

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-208 A Dayton OH 9321 AMERITECH OHIO 328      
937-220 A Dayton OH 9321 AMERITECH OHIO 328      
937-221 A Dayton OH 9321 AMERITECH OHIO 328      
937-222 A Dayton OH 9321 AMERITECH OHIO 328      
937-223 A Dayton OH 9321 AMERITECH OHIO 328      
937-224 A Dayton OH 9321 AMERITECH OHIO 328      
937-225 A Dayton OH 9321 AMERITECH OHIO 328      
937-226 A Dayton OH 9321 AMERITECH OHIO 328      
937-227 A Dayton OH 9321 AMERITECH OHIO 328      
937-228 A Dayton OH 9321 AMERITECH OHIO 328      
937-229 A Dayton OH 9321 AMERITECH OHIO 328      
937-234 A Dayton OH 9321 AMERITECH OHIO 328      
937-285 A Dayton OH 9321 AMERITECH OHIO 328      
937-331 A Dayton OH 9321 AMERITECH OHIO 328      
937-333 A Dayton OH 9321 AMERITECH OHIO 328      
937-341 A Dayton OH 9321 AMERITECH OHIO 328      
937-443 A Dayton OH 9321 AMERITECH OHIO 328      
937-445 A Dayton OH 9321 AMERITECH OHIO 328      
937-449 A Dayton OH 9321 AMERITECH OHIO 328      
937-457 A Dayton OH 9321 AMERITECH OHIO 328      
937-461 A Dayton OH 9321 AMERITECH OHIO 328      
937-463 A Dayton OH 9321 AMERITECH OHIO 328      
937-485 A Dayton OH 9321 AMERITECH OHIO 328      
937-495 A Dayton OH 9321 AMERITECH OHIO 328      
937-496 A Dayton OH 9321 AMERITECH OHIO 328      
937-512 A Dayton OH 9321 AMERITECH OHIO 328      
937-542 A Dayton OH 9321 AMERITECH OHIO 328      
937-580 A Dayton OH 9321 AMERITECH OHIO 328      
937-586 A Dayton OH 9321 AMERITECH OHIO 328      
937-627 A Dayton OH 9321 AMERITECH OHIO 328      
937-630 A Dayton OH 9321 AMERITECH OHIO 328      
937-640 A Dayton OH 9321 AMERITECH OHIO 328      
937-641 A Dayton OH 9321 AMERITECH OHIO 328      
937-824 A Dayton OH 9321 AMERITECH OHIO 328      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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