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
781-305 A Woburn MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
781-305 1 Woburn MA   3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
781-305 2 Woburn MA   2899 BROADVIEW NETWORKS, INC. - MA 128   2002-11-12   
781-305 3 Woburn MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2006-10-29   
781-305 4 Woburn MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2013-06-29   
781-305 5 Woburn MA   966C DSCI, LLC 128   2005-10-01   
781-305 7 Woburn MA   2899 BROADVIEW NETWORKS, INC. - MA 128   2009-10-14   
781-305 8 Woburn MA   4536 XO MASSACHUSETTS, INC. 128   2004-10-24   
781-305 9 Woburn MA   4536 XO MASSACHUSETTS, INC. 128   2004-10-24   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.