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: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-666 A Granville MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126      
413-666 0 Granville MA SPFDMAWOX0X  073H TELNYX LLC 126   2021-03-28   
413-666 1 Granville MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2021-02-22   
413-666 2 Granville MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2021-02-22   
413-666 3 Granville MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2021-04-06   
413-666 4 Granville MA SPFDMAWOXHX  506J TWILIO INTERNATIONAL, INC. 126   2020-12-27   
413-666 5 Granville MA SPFDMAWONMD  624H ONVOY SPECTRUM, LLC 126   2020-11-30   
413-666 6 Granville MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2014-09-18   
413-666 7 Granville MA SPFDMAWOZMD  508J CENTURYLINK COMMUNICATIONS, LLC 126   2015-04-17   
413-666 8 Granville MA SPFDMAOI3MD  490J DISH WIRELESS, LLC 126   2022-12-12   
413-666 9 Granville MA SPFDMAWOXXY  7135 TC SYSTEMS, INC. 126   2023-04-21   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.