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: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-297 A Easton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-297 0 Easton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2009-10-19   
508-297 1 Easton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-297 2 Easton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-07-01   
508-297 3 Easton MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
508-297 4 Easton MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2009-03-02   
508-297 5 Easton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-297 6 Easton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2012-09-06   
508-297 7 Easton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2013-05-18   
508-297 8 Easton MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2008-07-30   
508-297 9 Easton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2012-05-07   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.