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: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

NXX: 773

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-773 A Andover MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-773 0 Andover MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-08-31   
978-773 1 Andover MA WSBOMAGO0MD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2014-10-13   
978-773 2 Andover MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2022-11-01   
978-773 3 Andover MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2010-10-22   
978-773 4 Andover MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2010-10-22   
978-773 5 Andover MA   892D ONVOY, LLC - MA 128   2024-02-24   
978-773 6 Andover MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-04-02   
978-773 8 Andover MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128   2022-05-15   
978-773 9 Andover MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-23   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.