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
978-212 1 Hudson MA   829J PAETEC ITEL, LLC 128      
978-212 2 Hudson MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-12-19   
978-212 3 Hudson MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-01-31   
978-212 4 Hudson MA   829J PAETEC ITEL, LLC 128   2006-04-06   
978-212 5 Hudson MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-212 6 Hudson MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-14   
978-212 7 Hudson MA   515J IP HORIZON LLC 128   2016-07-01   
978-212 8 Hudson MA OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2005-01-01   
978-212 9 Hudson MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-213 A Topsfield MA TPFDMACERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-213 0 Topsfield MA   829J PAETEC ITEL, LLC 128   2005-04-01   
978-213 1 Topsfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-03-08   
978-213 2 Topsfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-05-12   
978-213 3 Topsfield MA   829J PAETEC ITEL, LLC 128   2005-02-08   
978-213 4 Topsfield MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
978-213 7 Topsfield MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-11-17   
978-213 8 Topsfield MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-05   
978-213 9 Topsfield MA TPFDMACERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-214 A Andover MA ANDVMAELRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-215 A Billerica MA   829J PAETEC ITEL, LLC 128      
978-216 A Bolton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-216 0 Bolton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-216 1 Bolton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-216 2 Bolton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-216 3 Bolton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-216 4 Bolton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-216 5 Bolton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2007-06-17   
978-216 6 Bolton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
978-216 7 Bolton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-216 8 Bolton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-216 9 Bolton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-217 A Sudbury MA WOBNMADW2MD  174A NEP, LLC 128      
978-218 A Sudbury MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-218 0 Sudbury MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-11-25   
978-218 1 Sudbury MA   145J TERRA NOVA TELECOM INC. 128   2023-06-22   
978-218 2 Sudbury MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-12-19   
978-218 3 Sudbury MA   145J TERRA NOVA TELECOM INC. 128   2025-05-07   
978-218 4 Sudbury MA   829J PAETEC ITEL, LLC 128   2005-07-01   
978-218 5 Sudbury MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-218 6 Sudbury MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-09   
978-218 7 Sudbury MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-07-13   
978-218 8 Sudbury MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-03-12   
978-218 9 Sudbury MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2026-01-07   
978-219 A Salem MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-219 0 Salem MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-23   
978-219 1 Salem MA   829J PAETEC ITEL, LLC 128   2004-08-30   
978-219 2 Salem MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-04-22   
978-219 3 Salem MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2009-03-10   
978-219 4 Salem MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
978-219 5 Salem MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2006-07-15   

<< 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: ISP Telecom

Like this site? We accept donations via PayPal.