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
978-206 2 Acton MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-206 3 Acton MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-206 4 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2020-03-31   
978-206 5 Acton MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-206 6 Acton MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-09-15   
978-206 7 Acton MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-206 8 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2020-03-31   
978-206 9 Acton MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-207 A North Reading MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-207 0 North Reading MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-207 1 North Reading MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-207 2 North Reading MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-03   
978-207 3 North Reading MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-05-15   
978-207 4 North Reading MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-17   
978-207 7 North Reading MA   829J PAETEC ITEL, LLC 128   2007-05-31   
978-208 A Lawrence MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-208 0 Lawrence MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-208 1 Lawrence MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2005-04-09   
978-208 2 Lawrence MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-19   
978-208 3 Lawrence MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-19   
978-208 4 Lawrence MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-13   
978-208 5 Lawrence MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2006-06-30   
978-208 6 Lawrence MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2015-01-09   
978-208 7 Lawrence MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-06-25   
978-208 8 Lawrence MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-07-09   
978-208 9 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-04-24   
978-209 A Sudbury MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-209 0 Sudbury MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-209 1 Sudbury MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-209 2 Sudbury MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-209 3 Sudbury MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-209 4 Sudbury MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-209 5 Sudbury MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-209 6 Sudbury MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-17   
978-209 7 Sudbury MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-04-17   
978-209 8 Sudbury MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-209 9 Sudbury MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-210 A Peabody MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-210 0 Peabody MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-210 1 Peabody MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-210 2 Peabody MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-210 3 Peabody MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-210 4 Peabody MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-210 5 Peabody MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-210 6 Peabody MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-210 7 Peabody MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-210 8 Peabody MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-210 9 Peabody MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-212 A Hudson MA   829J PAETEC ITEL, LLC 128      
978-212 0 Hudson MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-04-07   

<< 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 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 Much Phone Company

Like this site? We accept donations via PayPal.