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: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
513-437 A Seven Mile OH CNCNOHREGMD  3376 WINDSTREAM NUVOX OHIO, LLC 922      
513-437 0 Seven Mile OH CNCNOHBVDS7  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 922   2005-01-14   
513-437 1 Seven Mile OH CNCNOHAF2MD  001F BANDWIDTH.COM CLEC, LLC - OH 922   2015-07-09   
513-437 2 Seven Mile OH CNCNOHAF2MD  001F BANDWIDTH.COM CLEC, LLC - OH 922   2015-02-20   
513-437 3 Seven Mile OH CNCNOHBVDS7  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 922   2004-11-23   
513-437 4 Seven Mile OH CNCOOHFPDS1  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 922   2004-09-16   
513-437 5 Seven Mile OH CNCNOHWSPS2  600F CBTS TECHNOLOGY SOLUTIONS LLC - OH 922   2012-10-07   
513-437 6 Seven Mile OH CNCNOHAF2MD  001F BANDWIDTH.COM CLEC, LLC - OH 922   2014-07-04   
513-437 7 Seven Mile OH CNCNOHWSXGY  6529 T-MOBILE USA, INC. 922   2014-04-06   
513-437 8 Seven Mile OH CNCNOHWSXGY  6529 T-MOBILE USA, INC. 922   2014-04-06   
513-437 9 Seven Mile OH CNCNOHREGMD  3376 WINDSTREAM NUVOX OHIO, LLC 922      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.