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: 494

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-494 A Andover MA FRMNMAWAGMD  7421 AT&T - LOCAL 128      
978-494 0 Andover MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-494 1 Andover MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-06-23   
978-494 2 Andover MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-09-11   
978-494 3 Andover MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-09-11   
978-494 4 Andover MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
978-494 5 Andover MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
978-494 6 Andover MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-03-20   
978-494 7 Andover MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-10-28   
978-494 8 Andover MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2011-04-07   
978-494 9 Andover MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-07-07   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.