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.

Vineyard Haven, MA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
508-338 A CMBRMAORRS0  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-338 2   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2012-10-08   
508-338 3   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-25   
508-338 4   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-338 5   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2016-09-16   
508-338 7   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2015-09-15   
508-338 9   4536 XO MASSACHUSETTS, INC. 128   2006-04-20   
508-560 A AVONMACIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-629 A   4536 XO MASSACHUSETTS, INC. 128      
508-629 0   4536 XO MASSACHUSETTS, INC. 128      
508-629 1   4536 XO MASSACHUSETTS, INC. 128      
508-629 2   4536 XO MASSACHUSETTS, INC. 128      
508-629 4   4536 XO MASSACHUSETTS, INC. 128      
508-629 5   4536 XO MASSACHUSETTS, INC. 128      
508-629 6   4536 XO MASSACHUSETTS, INC. 128      
508-629 7   4536 XO MASSACHUSETTS, INC. 128      
508-629 8   4536 XO MASSACHUSETTS, INC. 128      
508-684 A WRCSMA05DS0  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-684 1   3370 CTC COMMUNICATIONS CORP. - MA 128   2002-05-26   
508-684 3   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2019-11-23   
508-684 4   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2007-10-09   
508-684 5   892D ONVOY, LLC - MA 128   2013-01-12   
508-684 6   4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-684 7   892D ONVOY, LLC - MA 128   2012-03-22   
508-684 8   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2011-06-24   
508-684 9   4536 XO MASSACHUSETTS, INC. 128   2007-08-06   
508-687 A   892D ONVOY, LLC - MA 128      
508-687 0   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-687 1   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2011-07-11   
508-687 2   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-22   
508-687 3   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2015-01-09   
508-687 4   990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-07-13   
508-687 5   892D ONVOY, LLC - MA 128   2016-03-28   
508-687 6   892D ONVOY, LLC - MA 128   2016-03-28   
508-687 7   2899 BROADVIEW NETWORKS, INC. - MA 128   2008-08-22   
508-687 9   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2007-06-11   
508-693 A VYHVMAEDDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-696 A VYHVMAEDDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-696 0   9102 VERIZON NEW ENGLAND INC. 128      
508-696 1   9102 VERIZON NEW ENGLAND INC. 128      
508-696 2   966G LOCAL ACCESS LLC - MA 128   2013-04-08   
508-696 3   9102 VERIZON NEW ENGLAND INC. 128      
508-696 4   9102 VERIZON NEW ENGLAND INC. 128      
508-696 5   9102 VERIZON NEW ENGLAND INC. 128      
508-696 6   9102 VERIZON NEW ENGLAND INC. 128      
508-696 7   9102 VERIZON NEW ENGLAND INC. 128      
508-696 8   9102 VERIZON NEW ENGLAND INC. 128      
508-696 9   9102 VERIZON NEW ENGLAND INC. 128      
774-447 A   966G LOCAL ACCESS LLC - MA 128      
774-447 0   892D ONVOY, LLC - MA 128   2016-03-28   

1 2 >>

Last updated: Sun, 31 May 2020 11:59:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.