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.

Boston, MA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
857-288 8   990E BANDWIDTH.COM CLEC, LLC - MA 128   2009-11-19   
857-288 9   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-07-18   
857-289 A BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-289 0   892D ONVOY, LLC - MA 128   2017-07-01   
857-289 1   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 4   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 5   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 8   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 9   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-291 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-291 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 1   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 4   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 5   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 8   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 9   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-292 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-292 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 1   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 4   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 5   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 8   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 9   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-294 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-294 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-07-06   
857-294 1   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-07-06   
857-294 2   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-09-09   
857-294 3   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-10-08   
857-294 4   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-10-08   
857-294 5   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-11-12   
857-294 6   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-11-12   
857-294 7   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-11-12   
857-294 8   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-08-21   
857-294 9   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-08-17   
857-295 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-295 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-11-20   
857-295 1   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-11-20   
857-295 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-11-20   
857-295 3   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
857-295 4   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-11-20   
857-295 5   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-11-20   
857-295 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-11-20   
857-295 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-11-20   
857-295 8   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
857-295 9   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-11-20   
857-296 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
857-296 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-11-06   
857-296 1   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2017-10-07   
857-296 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-05-17   
857-296 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-10-11   
857-296 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-10-11   
857-296 5   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-23   
857-296 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-23   
857-296 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-23   
857-296 8   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-23   
857-296 9   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-11-06   
857-300 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-300 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2010-12-06   
857-300 1   892D ONVOY, LLC - MA 128   2011-03-13   
857-300 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2011-11-16   
857-300 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-07-01   
857-300 4   829J PAETEC ITEL, LLC 128   2011-01-25   
857-300 5   829J PAETEC ITEL, LLC 128   2011-01-24   
857-300 6   829J PAETEC ITEL, LLC 128   2012-10-21   
857-300 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-07-01   
857-300 8   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-10-11   
857-300 9   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-10-11   
857-301 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-301 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 1   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 4   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 5   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 6   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-16   
857-301 7   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-16   
857-301 8   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-16   
857-301 9   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-16   
857-302 A CMBSMA013MD  428H AIRUS, INC. - MA 128      
857-302 0   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-10-16   
857-302 1   428H AIRUS, INC. - MA 128   2014-10-04   
857-302 2   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-10-16   
857-302 3   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-10-16   
857-302 4   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-10-16   
857-302 5   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-10-16   
857-302 6   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2014-12-27   
857-302 7   990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-15   
857-302 8   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-11-08   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.