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: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 302

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-302 A Buzzards Bay MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-302 0 Buzzards Bay MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-03-25   
774-302 2 Buzzards Bay MA   892D ONVOY, LLC - MA 128   2010-04-07   
774-302 4 Buzzards Bay MA   318J COMCAST IP PHONE, LLC 128   2010-01-10   
774-302 5 Buzzards Bay MA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2006-05-22   
774-302 6 Buzzards Bay MA   515J IP HORIZON LLC 128   2016-06-26   
774-302 7 Buzzards Bay MA   892D ONVOY, LLC - MA 128   2016-04-04   
774-302 8 Buzzards Bay MA   892D ONVOY, LLC - MA 128   2016-04-04   
774-302 9 Buzzards Bay MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.