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: 943

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-943 A Wellesley MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
781-943 1 Wellesley MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
781-943 2 Wellesley MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
781-943 3 Wellesley MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2015-04-07   
781-943 4 Wellesley MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
781-943 5 Wellesley MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-17   
781-943 6 Wellesley MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-17   
781-943 7 Wellesley MA BRTNMACOVMD  7135 TC SYSTEMS, INC. 128   2018-10-15   
781-943 8 Wellesley MA   892D ONVOY, LLC - MA 128   2024-03-09   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.