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.

Westboro, MA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
508-329 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-329 0 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-329 1 OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2005-01-02   
508-329 2 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-329 3 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-329 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-329 5 OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2008-04-18   
508-329 6 OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2013-01-27   
508-329 7 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2010-10-26   
508-329 8 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-08-13   
508-329 9   145J TERRA NOVA TELECOM INC. 128   2021-09-23   
508-330 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-366 A WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-389 A WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-389 0 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-389 1 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-389 2 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-389 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-06-15   
508-389 4 BSTPMALLOMD  073H TELNYX LLC 128   2017-04-26   
508-389 5 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-389 6 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-389 7 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-389 8 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-389 9 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-412 A FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
508-439 A STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
508-439 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-11-19   
508-439 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-08-02   
508-439 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-02-03   
508-439 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-07-02   
508-439 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-01-31   
508-439 5 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2003-11-16   
508-439 6 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-02-14   
508-439 7 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-04-01   
508-439 8 STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
508-439 9 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-08-10   
508-475 A WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-475 0 WRCSMACEX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2003-04-08   
508-475 1 LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2006-08-22   
508-475 2 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-475 3 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-475 4 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-475 5 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2002-03-27   
508-475 6 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2006-10-06   
508-475 7 BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128   2005-02-01   
508-475 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2021-10-11   
508-475 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-599 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-599 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-18   
508-599 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-599 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-599 3 WRCSMACEX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2007-07-24   
508-599 4 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-12-23   
508-599 5 CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2005-04-10   
508-599 6 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-599 7 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-599 8 WRCSMACEX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2011-03-15   
508-599 9 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-614 A FRMNMAWAEMD  7421 AT&T - LOCAL 128      
508-614 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-11-02   
508-614 1 FRMNMAWAEMD  7421 AT&T - LOCAL 128      
508-614 2 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2021-09-24   
508-614 3 FRMNMAWAEMD  7421 AT&T - LOCAL 128      
508-614 4 FRMNMAWAEMD  7421 AT&T - LOCAL 128      
508-614 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-03-05   
508-614 6 FRMNMAWAEMD  7421 AT&T - LOCAL 128      
508-614 7 FRMNMAWAEMD  7421 AT&T - LOCAL 128      
508-614 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-01-02   
508-614 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
508-616 A WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-621 A WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 0 WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 1 WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 2 WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 3 WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 4 WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 5 WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-621 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
508-621 7 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2009-03-01   
508-621 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
508-621 9 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-06-20   
508-768 A WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
508-768 0 WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
508-768 1 WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
508-768 2 WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
508-768 3 WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
508-768 4 WRCSMACEX1X  3370 CTC COMMUNICATIONS CORP. - MA 128   2005-01-20   
508-768 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-08-07   
508-768 6 WRCSMACEX1X  3370 CTC COMMUNICATIONS CORP. - MA 128   2006-07-24   
508-768 7 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-10-02   
508-768 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-06-02   
508-768 9 WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
508-836 A WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-870 A WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-871 A WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-871 0 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-871 1 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-871 2 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-871 3 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-871 4 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      

1 2 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.