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.

Cohasset, MA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
339-337 A   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
339-337 0   990E BANDWIDTH.COM CLEC, LLC - MA 128      
339-337 1   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-08   
339-337 2   990E BANDWIDTH.COM CLEC, LLC - MA 128      
339-337 3   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-01-13   
339-337 4   990E BANDWIDTH.COM CLEC, LLC - MA 128      
339-337 5   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-02-07   
339-337 6   316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
339-337 7   019F CBEYOND COMMUNICATIONS, LLC - MA 128   2010-03-15   
339-337 8   990E BANDWIDTH.COM CLEC, LLC - MA 128      
339-337 9   990E BANDWIDTH.COM CLEC, LLC - MA 128      
781-210 A CMBRMAAWRS0  8924 BROADWING COMMUNICATIONS, LLC - MA 128      
781-210 0   8924 BROADWING COMMUNICATIONS, LLC - MA 128      
781-210 1   3370 CTC COMMUNICATIONS CORP. - MA 128   2004-11-07   
781-210 2   8924 BROADWING COMMUNICATIONS, LLC - MA 128      
781-210 3   8924 BROADWING COMMUNICATIONS, LLC - MA 128   2005-10-30   
781-210 4   8924 BROADWING COMMUNICATIONS, LLC - MA 128      
781-210 5   2899 BROADVIEW NETWORKS, INC. - MA 128   2004-12-24   
781-210 6   8924 BROADWING COMMUNICATIONS, LLC - MA 128   2005-10-30   
781-210 7   8924 BROADWING COMMUNICATIONS, LLC - MA 128      
781-210 8   8924 BROADWING COMMUNICATIONS, LLC - MA 128   2005-10-30   
781-210 9   8924 BROADWING COMMUNICATIONS, LLC - MA 128      
781-236 A BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128      
781-236 0   4084 PAETEC COMMUNICATIONS, INC.- MA 128      
781-236 1   4084 PAETEC COMMUNICATIONS, INC.- MA 128      
781-236 2   316E YMAX COMMUNICATIONS CORP. - MA 128   2009-02-17   
781-236 3   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-22   
781-236 4   990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-06-04   
781-236 5   8924 BROADWING COMMUNICATIONS, LLC - MA 128   2005-10-30   
781-236 6   073H TELNYX LLC 128   2018-05-01   
781-236 7   8924 BROADWING COMMUNICATIONS, LLC - MA 128   2005-10-30   
781-236 8   8924 BROADWING COMMUNICATIONS, LLC - MA 128   2005-10-30   
781-236 9   8924 BROADWING COMMUNICATIONS, LLC - MA 128   2005-10-17   
781-383 A HNHMMAGRDS0  9102 VERIZON NEW ENGLAND INC. 128      
781-383 0   9102 VERIZON NEW ENGLAND INC. 128      
781-383 1   9102 VERIZON NEW ENGLAND INC. 128      
781-383 2   9102 VERIZON NEW ENGLAND INC. 128      
781-383 3   9102 VERIZON NEW ENGLAND INC. 128      
781-383 4   9102 VERIZON NEW ENGLAND INC. 128      
781-383 5   892D ONVOY, LLC - MA 128   2016-03-16   
781-383 6   9102 VERIZON NEW ENGLAND INC. 128      
781-383 7   073H TELNYX LLC 128   2019-07-19   
781-383 8   9102 VERIZON NEW ENGLAND INC. 128      
781-383 9   9102 VERIZON NEW ENGLAND INC. 128      
781-527 A BSTNMALBDS1  7135 TC SYSTEMS, INC. 128      
781-527 0   966G LOCAL ACCESS LLC - MA 128   2015-10-26   
781-527 1   892D ONVOY, LLC - MA 128   2016-04-07   
781-527 2   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2014-12-01   
781-527 3   7421 AT&T LOCAL 128   2003-11-28   
781-527 4   019F CBEYOND COMMUNICATIONS, LLC - MA 128   2010-03-15   

1 2 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.