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: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-310 A Hudson MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-310 0 Hudson MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-310 1 Hudson MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
978-310 2 Hudson MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-21   
978-310 3 Hudson MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-21   
978-310 4 Hudson MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2002-03-04   
978-310 5 Hudson MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2006-09-03   
978-310 6 Hudson MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2017-04-07   
978-310 7 Hudson MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2008-03-07   
978-310 8 Hudson MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-310 9 Hudson MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-06-12   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.