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: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 538

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-538 A Marion MA BRTNMACR0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-538 0 Marion MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2006-04-20   
508-538 1 Marion MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-538 2 Marion MA BRTNMACR0MD  3370 CTC COMMUNICATIONS CORP. - MA 128   2009-03-02   
508-538 3 Marion MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-18   
508-538 4 Marion MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-03-01   
508-538 5 Marion MA   515J IP HORIZON LLC 128   2015-10-18   
508-538 6 Marion MA BRTNMACR0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-538 7 Marion MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-25   
508-538 8 Marion MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2017-06-12   
508-538 9 Marion MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.