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: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 855

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-855 A Assonet MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
774-855 0 Assonet MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
774-855 1 Assonet MA   145J TERRA NOVA TELECOM INC. 128   2021-01-18   
774-855 3 Assonet MA BRTNMACR0MD  3370 CTC COMMUNICATIONS CORP. - MA 128   2006-07-21   
774-855 4 Assonet MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2007-07-29   
774-855 5 Assonet MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
774-855 6 Assonet MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
774-855 7 Assonet MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2013-05-31   
774-855 8 Assonet MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
774-855 9 Assonet MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.