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: 684

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-684 A Vineyard Haven MA BRTNMACR0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-684 0 Vineyard Haven MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-684 1 Vineyard Haven MA BRTNMACR0MD  3370 CTC COMMUNICATIONS CORP. - MA 128   2002-05-26   
508-684 2 Vineyard Haven MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-684 3 Vineyard Haven MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2019-11-23   
508-684 4 Vineyard Haven MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2007-10-09   
508-684 5 Vineyard Haven MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2013-01-12   
508-684 6 Vineyard Haven MA BRTNMACR0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-684 7 Vineyard Haven MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-22   
508-684 8 Vineyard Haven MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2011-06-24   
508-684 9 Vineyard Haven MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2007-08-06   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.