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: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 841

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-841 A Winthrop MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-841 0 Winthrop MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-841 1 Winthrop MA   145J TERRA NOVA TELECOM INC. 128   2021-01-18   
617-841 2 Winthrop MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2004-08-28   
617-841 3 Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-07-07   
617-841 4 Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
617-841 5 Winthrop MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2010-08-22   
617-841 6 Winthrop MA   145J TERRA NOVA TELECOM INC. 128   2021-09-29   
617-841 7 Winthrop MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-03-31   
617-841 8 Winthrop MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-04-28   
617-841 9 Winthrop MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-05   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.