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: 790

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-790 A Waltham MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
781-790 0 Waltham MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2011-03-05   
781-790 1 Waltham MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
781-790 2 Waltham MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128   2011-12-10   
781-790 3 Waltham MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-09-01   
781-790 4 Waltham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-22   
781-790 5 Waltham MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2013-07-19   
781-790 6 Waltham MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-12-01   
781-790 7 Waltham MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2012-09-05   
781-790 8 Waltham MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2014-05-17   
781-790 9 Waltham MA CMBRMA01MMD  5562 METROPCS, INC. 128   2012-10-12   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.