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 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-560 4 Danvers MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-560 5 Danvers MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-560 6 Danvers MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-560 7 Danvers MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-16   
978-560 8 Danvers MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2017-05-11   
978-560 9 Danvers MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-01-02   
978-561 A Topsfield MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-561 1 Topsfield MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-561 2 Topsfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
978-561 3 Topsfield MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2010-09-25   
978-561 4 Topsfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-03   
978-561 6 Topsfield MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-06-16   
978-561 9 Topsfield MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-562 A Hudson MA HDSNMAFRRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-563 A Sterling MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-563 1 Sterling MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-563 2 Sterling MA   829J PAETEC ITEL, LLC 128   2010-07-22   
978-563 3 Sterling MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2013-05-29   
978-563 4 Sterling MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-08-28   
978-563 5 Sterling MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-22   
978-563 6 Sterling MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-02-01   
978-563 7 Sterling MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-25   
978-563 8 Sterling MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-05   
978-563 9 Sterling MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-564 A Danvers MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-564 0 Danvers MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-564 1 Danvers MA   829J PAETEC ITEL, LLC 128   2009-10-22   
978-564 2 Danvers MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-564 3 Danvers MA LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2004-05-25   
978-564 4 Danvers MA   829J PAETEC ITEL, LLC 128   2014-11-29   
978-564 5 Danvers MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-07-08   
978-564 6 Danvers MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-29   
978-564 7 Danvers MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-29   
978-564 8 Danvers MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-564 9 Danvers MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-03-23   
978-565 A Salem MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-565 0 Salem MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-565 1 Salem MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-565 4 Salem MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-565 6 Salem MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-12   
978-566 A Lawrence MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
978-566 0 Lawrence MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-12-29   
978-566 1 Lawrence MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-566 2 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2009-08-02   
978-566 3 Lawrence MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-03-13   
978-566 4 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2017-01-18   
978-566 5 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2017-01-18   
978-566 6 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2017-01-18   
978-566 7 Lawrence MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2013-12-13   
978-566 8 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2017-01-18   

<< 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 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.