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
978-981 1 Salem MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-06   
978-981 2 Salem MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-06   
978-981 3 Salem MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-06   
978-981 4 Salem MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-06   
978-981 8 Salem MA BSTPMALLOMD  073H TELNYX LLC 128   2017-04-27   
978-982 A Peabody MA CMBRMABEQMD  321J HD CARRIER LLC 128      
978-982 0 Peabody MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-10-29   
978-982 1 Peabody MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-10   
978-982 2 Peabody MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-10   
978-982 3 Peabody MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
978-982 4 Peabody MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-02-06   
978-982 5 Peabody MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-02-06   
978-982 6 Peabody MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
978-982 7 Peabody MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
978-982 8 Peabody MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
978-982 9 Peabody MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-05-13   
978-983 A Lawrence MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-983 0 Lawrence MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-983 1 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2017-03-31   
978-983 2 Lawrence MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-983 3 Lawrence MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-983 4 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-09-10   
978-983 5 Lawrence MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-983 6 Lawrence MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-983 7 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-11-12   
978-983 8 Lawrence MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-983 9 Lawrence MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-984 A Lawrence MA   318J COMCAST IP PHONE, LLC 128   2025-04-19   
978-984 0 Lawrence MA   145J TERRA NOVA TELECOM INC. 128   2025-05-07   
978-984 1 Lawrence MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-10-10   
978-984 2 Lawrence MA NRTNMAAACM4  5562 METROPCS, INC. 128   2015-01-28   
978-984 3 Lawrence MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-02-11   
978-984 4 Lawrence MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-09   
978-984 5 Lawrence MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-12-01   
978-984 6 Lawrence MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-12-01   
978-984 7 Lawrence MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-12-01   
978-984 8 Lawrence MA SOVLMAAB6MD  939H COMMIO, LLC 128   2021-10-11   
978-984 9 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-02-10   
978-985 A Lawrence MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-985 0 Lawrence MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-985 1 Lawrence MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-985 2 Lawrence MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-985 3 Lawrence MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-985 4 Lawrence MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-985 5 Lawrence MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-985 6 Lawrence MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-985 7 Lawrence MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-985 8 Lawrence MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-985 9 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-986 A Topsfield MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, 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 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.