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
978-602 4 Fitchburg MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-11-27   
978-602 5 Fitchburg MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-11-27   
978-602 6 Fitchburg MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2007-02-08   
978-602 7 Fitchburg MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-11-15   
978-602 8 Fitchburg MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-12-09   
978-602 9 Fitchburg MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-12-09   
978-604 A Wilmington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-604 0 Wilmington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-604 1 Wilmington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-604 2 Wilmington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-11-22   
978-604 3 Wilmington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-06-30   
978-604 4 Wilmington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-604 5 Wilmington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-08-01   
978-604 6 Wilmington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-02-02   
978-604 7 Wilmington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-02-06   
978-604 8 Wilmington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-06-03   
978-604 9 Wilmington MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-605 A Danvers MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
978-605 0 Danvers MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-08-18   
978-605 1 Danvers MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2008-04-17   
978-605 2 Danvers MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2007-04-25   
978-605 3 Danvers MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-08-18   
978-605 4 Danvers MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
978-605 5 Danvers MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2006-06-05   
978-605 6 Danvers MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-09-23   
978-605 7 Danvers MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2013-09-30   
978-605 8 Danvers MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-10-11   
978-605 9 Danvers MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-03-23   
978-606 A Lowell MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
978-606 0 Lowell MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
978-606 1 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-02-21   
978-606 2 Lowell MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
978-606 3 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-06-16   
978-606 4 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-05-18   
978-606 5 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-05-18   
978-606 6 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-04-07   
978-606 7 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-09-07   
978-606 8 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-12-28   
978-606 9 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-12-28   
978-607 A Salem MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-607 0 Salem MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-607 1 Salem MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-11   
978-607 2 Salem MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-10-02   
978-607 3 Salem MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-10-02   
978-607 4 Salem MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-607 5 Salem MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-607 6 Salem MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-607 7 Salem MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-607 8 Salem MA   515J IP HORIZON LLC 128   2016-07-01   
978-607 9 Salem MA   515J IP HORIZON LLC 128   2016-07-01   
978-608 A Billerica MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-608 0 Billerica MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-608 1 Billerica MA NRTNMAAACM4  5562 METROPCS, INC. 128   2017-12-10   
978-608 2 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-11-27   
978-608 3 Billerica MA NRTNMAAACM4  5562 METROPCS, INC. 128   2017-10-22   
978-608 4 Billerica MA   145J TERRA NOVA TELECOM INC. 128   2023-06-22   
978-608 5 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-11-27   
978-608 6 Billerica MA NRTNMAAACM4  5562 METROPCS, INC. 128   2017-02-19   
978-608 7 Billerica MA NRTNMAAACM4  5562 METROPCS, INC. 128   2017-03-18   
978-608 8 Billerica MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-15   
978-608 9 Billerica MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-11-13   
978-609 A Lawrence MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-610 A Concord MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-610 0 Concord MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-610 1 Concord MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-610 2 Concord MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-14   
978-610 3 Concord MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-14   
978-610 4 Concord MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-14   
978-610 5 Concord MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-08-26   
978-610 6 Concord MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2009-09-18   
978-610 7 Concord MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-610 8 Concord MA   515J IP HORIZON LLC 128   2016-07-01   
978-610 9 Concord MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-11-03   
978-612 A Clinton MA WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
978-612 0 Clinton MA WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
978-612 1 Clinton MA WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
978-612 2 Clinton MA WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
978-612 3 Clinton MA WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
978-612 5 Clinton MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2007-08-01   
978-612 6 Clinton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-06-26   
978-612 7 Clinton MA   145J TERRA NOVA TELECOM INC. 128   2021-09-28   
978-612 8 Clinton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-612 9 Clinton MA WRCSMACEX1X  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 128      
978-613 A Petersham MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-613 0 Petersham MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-05-09   
978-613 1 Petersham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-13   
978-613 2 Petersham MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-03-16   
978-613 3 Petersham MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-03-16   
978-613 4 Petersham MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-613 5 Petersham MA BSTPMALLOMD  073H TELNYX LLC 128   2017-05-09   
978-613 6 Petersham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-12-06   
978-613 7 Petersham MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-25   
978-613 8 Petersham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-05-14   
978-613 9 Petersham MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-614 A Lowell MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-614 0 Lowell MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-03-13   
978-614 1 Lowell MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-614 2 Lowell MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-614 3 Lowell MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-614 4 Lowell MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      

<< 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: ISP Telecom

Like this site? We accept donations via PayPal.