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: 543

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-543 A North Reading MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-543 0 North Reading MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-543 1 North Reading MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-543 2 North Reading MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-543 5 North Reading MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-543 6 North Reading MA SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128      
978-543 7 North Reading MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.