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: 766

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-766 A Lexington MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
781-766 1 Lexington MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-02-29   
781-766 2 Lexington MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
781-766 3 Lexington MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
781-766 4 Lexington MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
781-766 5 Lexington MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
781-766 6 Lexington MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128   2022-03-17   
781-766 9 Lexington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2023-07-05   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.