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: 481

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-481 A Uxbridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
774-481 0 Uxbridge MA WSBOMAGO0MD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2012-07-09   
774-481 1 Uxbridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
774-481 2 Uxbridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-04   
774-481 3 Uxbridge MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2011-03-01   
774-481 4 Uxbridge MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2002-08-05   
774-481 5 Uxbridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-22   
774-481 6 Uxbridge MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128   2012-11-26   
774-481 7 Uxbridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-10-01   
774-481 8 Uxbridge MA SOVLMAAB2MD  966G LOCAL ACCESS LLC - MA 128   2015-10-24   
774-481 9 Uxbridge MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2007-08-06   

Last updated: Tue, 30 May 2023 01:08:39 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.