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: 647

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-647 A Topsfield MA LWRNMACAX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-647 0 Topsfield MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-05   
978-647 1 Topsfield MA LWRNMACAX1X  3370 CTC COMMUNICATIONS CORP. - MA 128   2002-04-04   
978-647 2 Topsfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-21   
978-647 3 Topsfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-21   
978-647 4 Topsfield MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-15   
978-647 5 Topsfield MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2019-03-06   
978-647 6 Topsfield MA LWRNMACAX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-647 7 Topsfield MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-23   
978-647 8 Topsfield MA   515J IP HORIZON LLC 128   2015-10-30   
978-647 9 Topsfield MA   515J IP HORIZON LLC 128   2016-07-01   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.