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.

Billerica, MA

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
978-439 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-09-25   
978-439 7 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-06-20   
978-439 8 BLRCMAANRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-439 9 BLRCMAANRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-488 A BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-488 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-488 1 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-488 2 SOVLMAABDMD  490J DISH WIRELESS, LLC 128   2024-08-01   
978-488 3 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-488 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-02   
978-488 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-488 6 SOVLMAABDMD  490J DISH WIRELESS, LLC 128   2024-07-18   
978-488 7 SOVLMAABDMD  490J DISH WIRELESS, LLC 128   2024-06-13   
978-488 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-02-05   
978-488 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-495 A FRMNMAWAGMD  7421 AT&T - LOCAL 128      
978-495 0 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-03-02   
978-495 1 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-03-02   
978-495 2 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-03-02   
978-495 3 LWRNMACAX1X  3370 CTC COMMUNICATIONS CORP. - MA 128   2006-10-16   
978-495 4 MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128   2011-09-09   
978-495 5 CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2005-04-10   
978-495 6 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2009-11-10   
978-495 7 CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2014-02-20   
978-495 8 MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128   2015-05-01   
978-495 9 FRMNMAWAGMD  7421 AT&T - LOCAL 128      
978-528 A LWRNMACAX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-528 0 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-02-14   
978-528 1 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-28   
978-528 2 LWRNMACAX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-12-08   
978-528 3 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-28   
978-528 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2003-03-24   
978-528 5 LWRNMACAX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-528 6 LWRNMACAX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-528 7 LWRNMACAX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-02-25   
978-528 8 LWRNMACAX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-07-04   
978-528 9 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-545 A BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-545 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-545 1 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-545 2 NRTNMAAACM4  5562 METROPCS, INC. 128   2022-04-28   
978-545 3 NRTNMAAACM4  5562 METROPCS, INC. 128   2022-04-28   
978-545 4 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-545 5 NRTNMAAACM4  5562 METROPCS, INC. 128   2022-03-25   
978-545 6 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-545 8 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-545 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-09-18   
978-547 A BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-547 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-547 1 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-547 2 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-547 4 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-547 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-547 6 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-547 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-547 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-547 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-584 A LWRNMACAX1X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-584 0 LWRNMACAX1X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-584 1   515J IP HORIZON LLC 128   2016-07-01   
978-584 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
978-584 3 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2015-05-22   
978-584 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-05-22   
978-584 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
978-584 6 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-11-27   
978-584 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-07   
978-584 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-07   
978-584 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-23   
978-600 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-600 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-600 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-600 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-600 3 NRTNMAAACM4  5562 METROPCS, INC. 128   2022-04-28   
978-600 4 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-600 5 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-11-27   
978-600 6 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-11-27   
978-600 7 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-600 8 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
978-600 9 SOVLMAAB6MD  939H COMMIO, LLC 128   2024-03-04   
978-608 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-608 0 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-608 1 NRTNMAAACM4  5562 METROPCS, INC. 128   2017-12-10   
978-608 2 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-11-27   
978-608 3 NRTNMAAACM4  5562 METROPCS, INC. 128   2017-10-22   
978-608 4   145J TERRA NOVA TELECOM INC. 128   2023-06-22   
978-608 5 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-11-27   
978-608 6 NRTNMAAACM4  5562 METROPCS, INC. 128   2017-02-19   
978-608 7 NRTNMAAACM4  5562 METROPCS, INC. 128   2017-03-18   
978-608 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-15   
978-608 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-11-13   
978-622 A BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-622 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-622 1 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-622 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-622 3 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-622 4 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-622 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-622 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-622 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-622 8 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      

<< 1 2 3 4 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.