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: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-243 A Maynard MA FRMNMAUNX0X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-243 0 Maynard MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-243 1 Maynard MA FRMNMAUNX0X  3370 CTC COMMUNICATIONS CORP. - MA 128   2002-06-04   
978-243 2 Maynard MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-243 3 Maynard MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-243 4 Maynard MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-243 5 Maynard MA FRMNMAUNX0X  3370 CTC COMMUNICATIONS CORP. - MA 128   2003-01-12   
978-243 6 Maynard MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2016-08-21   
978-243 7 Maynard MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-01-19   
978-243 8 Maynard MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2015-08-05   
978-243 9 Maynard MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   

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.