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.

NPA: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

<< 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-838 3 Berlin MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-02   
978-838 4 Berlin MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-23   
978-838 5 Berlin MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128   2014-07-28   
978-838 6 Berlin MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-23   
978-838 8 Berlin MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-838 9 Berlin MA BRLNMAHIRS1  9102 VERIZON NEW ENGLAND INC. 128      
978-839 A Peabody MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
978-839 0 Peabody MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
978-839 1 Peabody MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
978-839 2 Peabody MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
978-839 3 Peabody MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2014-05-30   
978-839 4 Peabody MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
978-839 5 Peabody MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
978-839 6 Peabody MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
978-839 7 Peabody MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
978-839 8 Peabody MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
978-839 9 Peabody MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
978-840 A Leominster MA LMNSMASCRP1  9102 VERIZON NEW ENGLAND INC. 128      
978-841 A Maynard MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-841 3 Maynard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-06-23   
978-841 5 Maynard MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-841 6 Maynard MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2023-10-27   
978-841 7 Maynard MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-841 8 Maynard MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-09-02   
978-841 9 Maynard MA   145J TERRA NOVA TELECOM INC. 128   2023-06-22   
978-842 A Groton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-842 0 Groton MA   145J TERRA NOVA TELECOM INC. 128   2021-09-23   
978-842 1 Groton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-842 2 Groton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-842 3 Groton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-04-22   
978-842 4 Groton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-842 5 Groton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
978-842 6 Groton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-842 8 Groton MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2013-05-01   
978-842 9 Groton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2023-09-27   
978-843 A Sterling MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-843 0 Sterling MA   145J TERRA NOVA TELECOM INC. 128   2022-08-02   
978-843 1 Sterling MA WRCSMACEX1X  3370 CTC COMMUNICATIONS CORP. - MA 128   2005-12-23   
978-843 3 Sterling MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-11-03   
978-843 4 Sterling MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-11   
978-843 5 Sterling MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-06-06   
978-843 6 Sterling MA   515J IP HORIZON LLC 128   2015-10-30   
978-843 7 Sterling MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-843 8 Sterling MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-11   
978-843 9 Sterling MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-23   
978-844 A Acton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-844 0 Acton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2002-10-21   
978-844 1 Acton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-08-02   
978-844 2 Acton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-04-24   
978-844 3 Acton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-04-15   
978-844 4 Acton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-06-03   
978-844 5 Acton MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128   2005-07-01   
978-844 6 Acton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-04-04   
978-844 7 Acton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2009-07-03   
978-844 8 Acton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-04-01   
978-844 9 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-12-09   
978-845 A North Reading MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
978-845 0 North Reading MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-845 1 North Reading MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-845 2 North Reading MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-05-22   
978-845 5 North Reading MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
978-845 7 North Reading MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-24   
978-845 8 North Reading MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-846 A Westford MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-846 0 Westford MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2002-08-26   
978-846 1 Westford MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-05-13   
978-846 2 Westford MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-09-18   
978-846 3 Westford MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-04-30   
978-846 4 Westford MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-04-01   
978-846 5 Westford MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-08-01   
978-846 6 Westford MA NRTNMAAACM4  5562 METROPCS, INC. 128   2006-04-28   
978-846 7 Westford MA NRTNMAAACM4  5562 METROPCS, INC. 128   2006-04-28   
978-846 8 Westford MA NRTNMAAACM4  5562 METROPCS, INC. 128   2006-01-09   
978-846 9 Westford MA NRTNMAAACM4  5562 METROPCS, INC. 128   2005-10-17   
978-847 A Leominster MA WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
978-847 0 Leominster MA WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
978-847 1 Leominster MA WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
978-847 2 Leominster MA WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
978-847 3 Leominster MA WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
978-847 4 Leominster MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-09-23   
978-847 5 Leominster MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2016-07-08   
978-847 6 Leominster MA   515J IP HORIZON LLC 128   2015-03-27   
978-847 7 Leominster MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-06-22   
978-847 8 Leominster MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-12-14   
978-847 9 Leominster MA WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
978-848 A Lowell MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-848 0 Lowell MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-848 1 Lowell MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-12-18   
978-848 2 Lowell MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-848 3 Lowell MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-848 4 Lowell MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-12-18   
978-848 5 Lowell MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-848 6 Lowell MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-848 7 Lowell MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-17   
978-848 8 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2010-08-23   
978-848 9 Lowell MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-849 A Acton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-849 0 Acton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-849 1 Acton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-849 2 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-06-07   

<< 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.