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: DYTNOHAC4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-906 2 Dayton OH 732J NUSO, LLC 328   2023-12-03   
937-906 3 Dayton OH 732J NUSO, LLC 328   2023-12-03   
937-913 A Dayton OH 732J NUSO, LLC 328      
937-913 6 Dayton OH 732J NUSO, LLC 328   2023-05-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.