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: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-404 A Woburn MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
781-404 0 Woburn MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2016-08-04   
781-404 1 Woburn MA   3370 CTC COMMUNICATIONS CORP. - MA 128      
781-404 2 Woburn MA   3370 CTC COMMUNICATIONS CORP. - MA 128      
781-404 3 Woburn MA   019F CBEYOND COMMUNICATIONS, LLC - MA 128   2010-03-15   
781-404 4 Woburn MA   8468 FREEDOM RING COMMUNICATIONS, LLC 128   2006-12-04   
781-404 5 Woburn MA   966C DSCI, LLC 128   2010-10-04   
781-404 6 Woburn MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2017-12-07   
781-404 7 Woburn MA   7575 CENTURYLINK COMMUNICATIONS LLC 128   2013-09-30   
781-404 8 Woburn MA   073H TELNYX LLC 128   2017-04-24   
781-404 9 Woburn MA   732H BARR TELL USA, INC. - MA 128   2016-01-01   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.