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: 431

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-431 A Littleton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-431 0 Littleton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-431 1 Littleton MA FRMNMAUNX0X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-431 2 Littleton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-431 3 Littleton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-431 4 Littleton MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-431 5 Littleton MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
978-431 6 Littleton MA   145J TERRA NOVA TELECOM INC. 128      
978-431 7 Littleton MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
978-431 8 Littleton MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-431 9 Littleton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.