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
781-645 A Arlington MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
781-645 0 Arlington MA   4536 XO MASSACHUSETTS, INC. 128      
781-645 1 Arlington MA   4536 XO MASSACHUSETTS, INC. 128      
781-645 2 Arlington MA   6664 SPRINT SPECTRUM L.P. 128   2004-10-18   
781-645 3 Arlington MA   4536 XO MASSACHUSETTS, INC. 128      
781-645 4 Arlington MA   019F CBEYOND COMMUNICATIONS, LLC - MA 128   2010-03-15   
781-645 5 Arlington MA   966C DSCI, LLC 128   2007-05-06   
781-645 6 Arlington MA   6664 SPRINT SPECTRUM L.P. 128   2011-11-14   
781-645 7 Arlington MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2010-09-22   
781-645 8 Arlington MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
781-645 9 Arlington MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-03-01   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.