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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-384 3 Merrimac MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-03   
978-384 4 Merrimac MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2002-03-04   
978-384 5 Merrimac MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-17   
978-384 6 Merrimac MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-27   
978-384 7 Merrimac MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-384 8 Merrimac MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-10-31   
978-384 9 Merrimac MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-385 A Harvard MA FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
978-386 A Ashby MA ASHBMASORP0  9102 VERIZON NEW ENGLAND INC. 128      
978-386 0 Ashby MA ASHBMASORP0  9102 VERIZON NEW ENGLAND INC. 128      
978-386 1 Ashby MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-386 2 Ashby MA ASHBMASORP0  9102 VERIZON NEW ENGLAND INC. 128      
978-386 3 Ashby MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-02   
978-386 4 Ashby MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2002-03-04   
978-386 5 Ashby MA ASHBMASORP0  9102 VERIZON NEW ENGLAND INC. 128      
978-386 6 Ashby MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2017-06-12   
978-386 7 Ashby MA ASHBMASORP0  9102 VERIZON NEW ENGLAND INC. 128      
978-386 8 Ashby MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
978-386 9 Ashby MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
978-387 A Lawrence MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-388 A Amesbury MA AMSBMAPLRS1  9102 VERIZON NEW ENGLAND INC. 128      
978-389 A Berlin MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
978-389 0 Berlin MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
978-389 1 Berlin MA   145J TERRA NOVA TELECOM INC. 128   2022-04-08   
978-389 2 Berlin MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
978-389 3 Berlin MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-389 4 Berlin MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2022-11-01   
978-389 5 Berlin MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
978-389 6 Berlin MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
978-389 7 Berlin MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
978-389 8 Berlin MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
978-389 9 Berlin MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-07   
978-390 A Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-391 A Ayer MA FRMNMAUNX0X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-391 0 Ayer MA FRMNMAUNX0X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-391 1 Ayer MA OXFRMAAKPS0  293C CHARTER FIBERLINK MA-CCO, LLC - MA 128   2005-01-01   
978-391 2 Ayer MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-391 3 Ayer MA NYCMNYBXDSL  892D ONVOY, LLC - MA 128   2023-02-10   
978-391 4 Ayer MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-391 5 Ayer MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2006-05-22   
978-391 6 Ayer MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-391 8 Ayer MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-04-29   
978-391 9 Ayer MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-392 A Westford MA WSFRMADERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-393 A Acton MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
978-393 0 Acton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-393 1 Acton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-11   
978-393 2 Acton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-393 3 Acton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-393 4 Acton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 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 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.