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: 919

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-919 A Northboro MA FRMNMAUNX0X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
508-919 0 Northboro MA FRMNMAUNX0X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
508-919 1 Northboro MA FRMNMAUNX0X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
508-919 2 Northboro MA FRMNMAUNX0X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
508-919 3 Northboro MA FRMNMAUNX0X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
508-919 4 Northboro MA FRMNMAUNX0X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
508-919 5 Northboro MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2005-04-10   
508-919 6 Northboro MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-01-10   
508-919 7 Northboro MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128   2006-12-01   
508-919 8 Northboro MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2012-05-10   
508-919 9 Northboro MA FRMNMAUNX0X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.