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.

NPA: 513 [Rate centres in NPA 513] [Dial plan for NPA 513]

NXX: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
513-221 A Cincinnati OH CNCNOHAVDS1  9348 CINCINNATI BELL 922      
513-221 0 Cincinnati OH CNCNOHAVDS1  9348 CINCINNATI BELL 922      
513-221 1 Cincinnati OH CNCNOHAVDS1  9348 CINCINNATI BELL 922      
513-221 2 Cincinnati OH CNCNOHAVDS1  9348 CINCINNATI BELL 922      
513-221 3 Cincinnati OH CNCNOHAVDS1  9348 CINCINNATI BELL 922      
513-221 4 Cincinnati OH CNCNOHAVDS1  9348 CINCINNATI BELL 922      
513-221 5 Cincinnati OH CNCNOHAVDS1  9348 CINCINNATI BELL 922      
513-221 6 Cincinnati OH CNCNOHAVDS1  9348 CINCINNATI BELL 922      
513-221 7 Cincinnati OH CNCNOHAVDS1  9348 CINCINNATI BELL 922      
513-221 8 Cincinnati OH CNCNOHAVDS1  9348 CINCINNATI BELL 922      
513-221 9 Cincinnati OH CNCNOHWSXGY  6529 T-MOBILE USA, INC. 922   2004-01-03   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.