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: 336 [Rate centres in NPA 336] [Dial plan for NPA 336]

NXX: 916

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-916 A Madison NC GNBONCCKX9X  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-916 0 Madison NC GNBONCEU50Z  580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2017-04-17   
336-916 1 Madison NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2017-04-25   
336-916 2 Madison NC GNBONCCKX9X  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2014-06-01   
336-916 3 Madison NC GNBONCEU83Z  506J TWILIO INTERNATIONAL INC 424   2021-07-18   
336-916 4 Madison NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2020-12-26   
336-916 5 Madison NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2020-12-26   
336-916 6 Madison NC GNBONCEU31Z  8389 TCG OF THE CAROLINAS, INC. - NC 424   2019-06-10   
336-916 7 Madison NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2019-04-05   
336-916 8 Madison NC GNBONCEU64Z  769H RIVERSTREET COMMUNICATIONS OF NO CAROLINA - NC 424   2018-09-02   
336-916 9 Madison NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2019-04-05   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.