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: DYTNOH15WMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-249 A Aberdeen OH 516C AT&T CORP. 328      
937-460 A Springfield OH 516C AT&T CORP. 328      
937-504 A Springfield OH 516C AT&T CORP. 328      
937-567 A Dayton OH 516C AT&T CORP. 328      
937-742 A Vandalia OH 516C AT&T CORP. 328      
937-872 A Jamestown OH 516C AT&T CORP. 328      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.