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.

Newton, MA

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
857-255 6   829J PAETEC ITEL, LLC 128      
857-255 7   829J PAETEC ITEL, LLC 128      
857-255 8   829J PAETEC ITEL, LLC 128      
857-255 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-279 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-279 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-04-01   
857-279 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-30   
857-279 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-12-14   
857-279 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-12-14   
857-279 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-30   
857-279 5   321J HD CARRIER LLC 128   2016-09-03   
857-279 6 CMBRMABETMD  321J HD CARRIER LLC 128   2016-09-03   
857-279 7 BSTPMALLOMD  073H TELNYX LLC 128   2024-06-18   
857-279 8 SOVLMAAB6MD  939H COMMIO, LLC 128   2024-03-16   
857-279 9 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
857-290 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-290 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-14   
857-290 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-09-02   
857-290 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-06-16   
857-290 3 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-18   
857-290 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-04-18   
857-290 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-04-18   
857-290 6 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2024-11-24   
857-290 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
857-290 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-11   
857-290 9 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2018-10-30   
857-297 A NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
857-297 0 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-11   
857-297 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   
857-297 2 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2017-10-09   
857-297 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
857-297 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
857-297 5 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-02-27   
857-297 6 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-02-27   
857-297 7 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-05-02   
857-297 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   
857-297 9 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-03-18   
857-325 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-325 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-15   
857-325 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-15   
857-325 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-15   
857-325 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-15   
857-325 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-15   
857-325 5 CMBRMABEQMD  321J HD CARRIER LLC 128   2015-06-19   
857-325 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-07-19   
857-325 7 SOVLMAAB6MD  939H COMMIO, LLC 128   2024-03-16   
857-325 8 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
857-325 9 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
857-404 A NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
857-404 0 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2007-09-30   
857-404 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-06-19   
857-404 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-06-19   
857-404 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-07-22   
857-404 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-05-31   
857-404 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-07-22   
857-404 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-08-01   
857-404 7 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-08-15   
857-404 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-09-01   
857-404 9 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-09-15   
857-578 A BSTPMALLZMD  506J TWILIO INTERNATIONAL, INC. 128      
857-578 0 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
857-578 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
857-578 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-28   
857-578 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-28   
857-578 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-28   
857-578 5 BSTPMALLZMD  506J TWILIO INTERNATIONAL, INC. 128   2020-12-11   
857-578 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-28   
857-578 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
857-578 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
857-578 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
857-636 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-636 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-636 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-09-01   
857-636 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-06-01   
857-636 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-06-26   
857-636 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-04-13   
857-636 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-05-30   
857-636 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-05-18   
857-636 7 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-05-18   
857-636 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-636 9 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-857 A CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-857 0   125L MASS MOBILE LLC 128   2025-06-01   
857-857 1   125L MASS MOBILE LLC 128   2025-06-01   
857-857 2   125L MASS MOBILE LLC 128   2025-06-01   
857-857 3   125L MASS MOBILE LLC 128   2025-06-01   
857-857 4   125L MASS MOBILE LLC 128   2025-06-01   
857-857 5   125L MASS MOBILE LLC 128   2025-06-01   
857-857 6   125L MASS MOBILE LLC 128   2025-06-01   
857-857 7 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-857 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-857 9 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2025-01-03   
857-858 A BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-858 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2023-06-05   
857-858 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-07-12   
857-858 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-07-12   
857-858 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-07-12   
857-858 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
857-858 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
857-858 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   

<< 1 2 3 4 5 6 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.