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: 813

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-813 A Shirley MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS LLC 128      
978-813 0 Shirley MA SOVLMAAB2MD  966G LOCAL ACCESS LLC - MA 128   2015-10-30   
978-813 1 Shirley MA   318J COMCAST IP PHONE LLC 128   2015-08-05   
978-813 2 Shirley MA CMBRMAORDS0  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2016-12-09   
978-813 3 Shirley MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
978-813 4 Shirley MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
978-813 5 Shirley MA BSTPMALLZMD  506J TWILIO INTERNATIONAL INC 128   2020-12-19   
978-813 6 Shirley MA   624H ONVOY SPECTRUM, LLC 128   2021-04-12   
978-813 7 Shirley MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS LLC 128   2014-06-16   
978-813 8 Shirley MA BSTPMALLOMD  073H TELNYX LLC 128   2017-05-09   
978-813 9 Shirley MA   892D ONVOY, LLC - MA 128   2021-04-07   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.