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: 603

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
513-603 A Hamilton OH RILTOHCSDS0  9348 CINCINNATI BELL 922      
513-603 0 Hamilton OH CNCNOHFBAMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 922   2010-04-26   
513-603 1 Hamilton OH RILTOHCSDS0  9348 CINCINNATI BELL 922      
513-603 2 Hamilton OH RILTOHCSDS0  9348 CINCINNATI BELL 922      
513-603 3 Hamilton OH RILTOHCSDS0  9348 CINCINNATI BELL 922      
513-603 4 Hamilton OH RILTOHCSDS0  9348 CINCINNATI BELL 922      
513-603 5 Hamilton OH RILTOHCSDS0  9348 CINCINNATI BELL 922      
513-603 6 Hamilton OH RILTOHCSDS0  9348 CINCINNATI BELL 922      
513-603 7 Hamilton OH RILTOHCSDS0  9348 CINCINNATI BELL 922      
513-603 8 Hamilton OH RILTOHCSDS0  9348 CINCINNATI BELL 922      
513-603 9 Hamilton OH CNCNOHAF2MD  001F BANDWIDTH.COM CLEC, LLC - OH 922   2012-08-12   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.