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.

Grafton, MA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
508-320 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-839 A GFTNMAWORS1  9102 VERIZON NEW ENGLAND INC. 128      
508-887 A GFTNMAWORS1  9102 VERIZON NEW ENGLAND INC. 128      
508-887 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-11-03   
508-887 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-09-03   
508-887 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-04-07   
508-887 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-04-07   
508-887 4 GFTNMAWORS1  9102 VERIZON NEW ENGLAND INC. 128      
508-887 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-08-10   
508-887 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-02-08   
508-887 7 GFTNMAWORS1  9102 VERIZON NEW ENGLAND INC. 128      
508-887 8 GFTNMAWORS1  9102 VERIZON NEW ENGLAND INC. 128      
508-887 9 GFTNMAWORS1  9102 VERIZON NEW ENGLAND INC. 128      
774-293 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
774-293 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-08-06   
774-293 1 OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2005-01-01   
774-293 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-31   
774-293 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2023-08-14   
774-293 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-10   
774-293 5 SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-05-24   
774-293 6 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128   2007-04-13   
774-293 7 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-04-27   
774-293 8 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
774-293 9 WRCSMACEX1X  3370 CTC COMMUNICATIONS CORP. - MA 128   2005-12-22   
774-514 A BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-514 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2021-12-12   
774-514 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2023-12-27   
774-514 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-10-22   
774-514 3 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-06-04   
774-514 4 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-02-03   
774-514 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-03   
774-514 7 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-02-03   
774-514 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-12-27   
774-514 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2022-01-01   
774-545 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
774-545 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-08-09   
774-545 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-08-10   
774-545 2 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2010-03-26   
774-545 3 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2007-11-18   
774-545 4 BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128   2010-03-12   
774-545 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-12-18   
774-545 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-05-17   
774-545 7 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
774-545 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-15   
774-545 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
774-551 A WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
774-551 0 WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
774-551 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-24   
774-551 2 BRTNMACOVMD  7135 TC SYSTEMS, INC. 128   2018-11-09   
774-551 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-24   
774-551 4 WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
774-551 5 WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
774-551 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-02-02   
774-551 7 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
774-551 8 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2002-03-11   
774-551 9 WRCSMACEX1X  3370 CTC COMMUNICATIONS CORP. - MA 128   2001-07-12   
774-566 A SOVLMAAB6MD  939H COMMIO, LLC 128      
774-566 0 SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
774-566 1 SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
774-566 2 SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
774-566 3 SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
774-566 4 SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
774-566 6   145J TERRA NOVA TELECOM INC. 128   2023-11-27   
774-666 A BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-666 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-04-01   
774-666 1 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-07-04   
774-666 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-06   
774-666 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-06   
774-666 5 BSTPMALLOMD  073H TELNYX LLC 128   2017-04-28   
774-666 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-10-20   
774-666 7 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-10-22   
774-666 8   515J IP HORIZON LLC 128   2015-10-18   
774-666 9   515J IP HORIZON LLC 128   2016-06-26   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.