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: MLFROHMFDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
513-248 A Little Miami OH 9348 CINCINNATI BELL 922      
513-576 A Little Miami OH 9348 CINCINNATI BELL 922      
513-831 A Little Miami OH 9348 CINCINNATI BELL 922      
513-965 A Little Miami OH 9348 CINCINNATI BELL 922      
513-965 0 Little Miami OH 9348 CINCINNATI BELL 922      
513-965 2 Little Miami OH 9348 CINCINNATI BELL 922      
513-965 3 Little Miami OH 9348 CINCINNATI BELL 922      
513-965 4 Little Miami OH 9348 CINCINNATI BELL 922      
513-965 5 Little Miami OH 9348 CINCINNATI BELL 922      
513-965 6 Little Miami OH 9348 CINCINNATI BELL 922      
513-965 7 Little Miami OH 9348 CINCINNATI BELL 922      
513-965 8 Little Miami OH 9348 CINCINNATI BELL 922      
513-965 9 Little Miami OH 9348 CINCINNATI BELL 922      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.