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      
978-586 2 Bolton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-586 3 Bolton MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-586 4 Bolton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
978-586 5 Bolton MA CHTWMABMBMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
978-586 6 Bolton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
978-586 8 Bolton MA   515J IP HORIZON LLC 128      
978-586 9 Bolton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.