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: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-503 8 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-10-11   
774-503 9 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-10-11   
774-504 A Taunton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
774-504 0 Taunton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-11-01   
774-504 1 Taunton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-08-01   
774-504 2 Taunton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-23   
774-504 3 Taunton MA   829J PAETEC ITEL, LLC 128   2015-04-27   
774-504 4 Taunton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-11-01   
774-504 5 Taunton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-23   
774-504 6 Taunton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   
774-504 7 Taunton MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-06-20   
774-504 8 Taunton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-06-17   
774-504 9 Taunton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2019-01-25   
774-505 A Framingham MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
774-505 0 Framingham MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-06-16   
774-505 1 Framingham MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-06-16   
774-505 2 Framingham MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-06-16   
774-505 3 Framingham MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-06-16   
774-505 4 Framingham MA CMBRMABEXBX  732J NUSO, LLC 128   2024-05-27   
774-505 5 Framingham MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-06-24   
774-505 6 Framingham MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-03-30   
774-505 7 Framingham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-30   
774-505 8 Framingham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-30   
774-505 9 Framingham MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-06-24   
774-506 A Brockton MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
774-506 0 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-05-06   
774-506 1 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-10-21   
774-506 2 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-10-21   
774-506 3 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-10-21   
774-506 4 Brockton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2022-11-13   
774-506 5 Brockton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2022-11-13   
774-506 6 Brockton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2022-11-13   
774-506 7 Brockton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2022-11-13   
774-506 8 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-05-06   
774-506 9 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-05-06   
774-507 A Medway MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-507 0 Medway MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-07-20   
774-507 1 Medway MA   515J IP HORIZON LLC 128   2015-10-18   
774-507 2 Medway MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-11-13   
774-507 3 Medway MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-06   
774-507 4 Medway MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-06   
774-507 6 Medway MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-03-18   
774-507 7 Medway MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-10   
774-507 8 Medway MA   515J IP HORIZON LLC 128   2016-06-26   
774-507 9 Medway MA BSTPMALLOMD  073H TELNYX LLC 128   2017-04-28   
774-508 A Wellfleet MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-508 0 Wellfleet MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-11-10   
774-508 2 Wellfleet MA SOVLMAABDMD  490J BOOST SUBSCRIBERCO L.L.C. 128   2023-12-30   
774-508 3 Wellfleet MA   5562 METROPCS, INC. 128   2024-10-18   
774-508 9 Wellfleet MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-08-20   

<< 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 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.