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: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

NXX: 586

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-586 A Bolton MA WRCSMACEX1X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-586 0 Bolton MA WRCSMACEX1X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-586 1 Bolton MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2007-12-03   
978-586 2 Bolton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2017-02-03   
978-586 3 Bolton MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2007-08-01   
978-586 4 Bolton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-03-03   
978-586 5 Bolton MA CHTWMABMBMD  2899 BROADVIEW NETWORKS, INC. - MA 128   2012-10-08   
978-586 6 Bolton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-01-15   
978-586 7 Bolton MA BSTPMALLZMD  506J TWILIO INTERNATIONAL, INC. 128   2020-12-19   
978-586 8 Bolton MA   515J IP HORIZON LLC 128   2015-10-26   
978-586 9 Bolton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.