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: 344

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-344 A Maynard MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
978-344 0 Maynard MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
978-344 1 Maynard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-344 2 Maynard MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-344 4 Maynard MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
978-344 5 Maynard MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
978-344 6 Maynard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-344 7 Maynard MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
978-344 8 Maynard MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-344 9 Maynard MA   515J IP HORIZON LLC 128      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.