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: FRBNOH8787C

Remotes:

Switch Switch name Switch type
ENONOH86RS1  ENON  5ER 
NHHNOH96RS1  NORTH HAMPTON  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-318 A Fairborn OH 9321 OHIO BELL TEL CO 328      
937-754 A Fairborn OH 9321 OHIO BELL TEL CO 328      
937-775 A Fairborn OH 9321 OHIO BELL TEL CO 328      
937-873 A Fairborn OH 9321 OHIO BELL TEL CO 328      
937-878 A Fairborn OH 9321 OHIO BELL TEL CO 328      
937-879 A Fairborn OH 9321 OHIO BELL TEL CO 328      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.