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: 351 [Rate centres in NPA 351] [Dial plan for NPA 351]

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-244 A Acton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-07-12   
351-244 1 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-28   
351-244 2 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-28   
351-244 3 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-28   
351-244 4 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-28   
351-244 5 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-28   
351-244 8 Acton MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-01-15   
351-247 A Lunenburg MA FRMNMAUNCMD  7135 TC SYSTEMS, INC. 128      
351-247 0 Lunenburg MA SOVLMAAB7MD  073H TELNYX LLC 128   2019-09-20   
351-247 1 Lunenburg MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
351-247 2 Lunenburg MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-10-13   
351-247 3 Lunenburg MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-04-18   
351-247 4 Lunenburg MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-04-18   
351-247 6 Lunenburg MA FRMNMAUNCMD  7135 TC SYSTEMS, INC. 128   2019-05-26   
351-247 7 Lunenburg MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-06-21   
351-247 8 Lunenburg MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-06-21   
351-247 9 Lunenburg MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
351-251 A Groton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-251 0 Groton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
351-251 1 Groton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-13   
351-251 2 Groton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-13   
351-251 3 Groton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
351-251 4 Groton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
351-251 5 Groton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-03   
351-251 6 Groton MA SOVLMAABDMD  490J DISH WIRELESS, LLC 128   2023-12-01   
351-251 8 Groton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
351-251 9 Groton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-03-07   
351-252 A Rowley MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-252 1 Rowley MA SOVLMAABDMD  490J DISH WIRELESS, LLC 128   2023-12-01   
351-252 2 Rowley MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
351-252 3 Rowley MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
351-252 5 Rowley MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-14   
351-252 6 Rowley MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-14   
351-253 A Athol (Franklin County) MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-253 2 Athol (Franklin County) MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
351-253 3 Athol (Franklin County) MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-04   
351-253 4 Athol (Franklin County) MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-09-03   
351-253 5 Athol (Franklin County) MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-03   
351-266 A Princeton MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      
351-266 0 Princeton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-17   
351-266 1 Princeton MA SOVLMAABDMD  490J DISH WIRELESS, LLC 128   2023-12-01   
351-266 6 Princeton MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128   2022-04-21   
351-266 9 Princeton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-01-06   
351-277 A Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
351-277 0 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2017-06-06   
351-277 1 Lawrence MA   515J IP HORIZON LLC 128   2017-07-06   
351-277 2 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2017-12-29   
351-277 3 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2017-12-29   
351-277 4 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-18   
351-277 5 Lawrence MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-01-02   
351-277 6 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-18   
351-277 7 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-11-06   
351-277 8 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-18   
351-277 9 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2017-06-05   
351-300 A Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-300 0 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-12-10   
351-300 1 Harvard MA BSTPMALLOMD  073H TELNYX LLC 128   2019-12-11   
351-300 2 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-300 3 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-12-10   
351-300 4 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-300 5 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-300 6 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-300 7 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-300 8 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-300 9 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-322 A Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
351-322 0 Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-01-04   
351-322 1 Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-19   
351-322 2 Lowell MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2021-07-16   
351-322 3 Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-08-02   
351-322 4 Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-08-30   
351-322 5 Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-09-20   
351-322 6 Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-01   
351-322 7 Lowell MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2017-09-11   
351-322 8 Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-04-05   
351-322 9 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2017-05-12   
351-333 A Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-333 0 Harvard MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-09-24   
351-333 1 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-18   
351-333 2 Harvard MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128   2022-04-22   
351-333 3 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-10-20   
351-333 4 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-18   
351-333 5 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-03-08   
351-333 6 Harvard MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-09-08   
351-333 7 Harvard MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2018-02-19   
351-333 8 Harvard MA BSTPMALLOMD  073H TELNYX LLC 128   2017-05-09   
351-333 9 Harvard MA SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128   2016-01-01   
351-344 A Gloucester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
351-344 0 Gloucester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-02-05   
351-344 1 Gloucester MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-02-05   
351-344 2 Gloucester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-02-05   
351-344 3 Gloucester MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-02-05   
351-344 4 Gloucester MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-10   
351-344 6 Gloucester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-09-29   
351-344 7 Gloucester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-12-26   
351-344 8 Gloucester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-03   
351-344 9 Gloucester MA NRTNMAAACM4  5562 METROPCS, INC. 128   2022-02-04   
351-345 A Hudson MA SOVLMAABAMD  965H FRACTEL, LLC 128      
351-345 0 Hudson MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
351-345 1 Hudson MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-05-06   

<< 1 2 3 4 5 6 7 8 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.