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.

Maynard, MA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
978-243 A   829J PAETEC ITEL, LLC 128      
978-243 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-243 1   829J PAETEC ITEL, LLC 128   2002-06-04   
978-243 2 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-243 3 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-243 4 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-243 5   829J PAETEC ITEL, LLC 128   2003-01-12   
978-243 6 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2016-08-21   
978-243 7 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-01-19   
978-243 8 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2015-08-05   
978-243 9 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-246 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-246 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-246 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-246 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-246 3 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2023-07-07   
978-246 4 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-246 5 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-246 6 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-246 7 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-246 8 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-246 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-17   
978-298 A CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
978-298 0 SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-08-09   
978-298 1 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
978-298 2 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
978-298 3   145J TERRA NOVA TELECOM INC. 128   2022-11-02   
978-298 4 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2008-09-30   
978-298 5 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-298 7 CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2009-03-02   
978-298 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-11-25   
978-298 9 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
978-331 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-331 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-331 1 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-04-27   
978-331 2 NRTNMAAACM4  5562 METROPCS, INC. 128   2022-03-02   
978-331 3 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-09-07   
978-331 5 NRTNMAAACM4  5562 METROPCS, INC. 128   2022-03-02   
978-331 6 NRTNMAAACM4  5562 METROPCS, INC. 128   2022-03-02   
978-331 7 NRTNMAAACM4  5562 METROPCS, INC. 128   2022-03-02   
978-331 8 NRTNMAAACM4  5562 METROPCS, INC. 128   2022-03-02   
978-331 9 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-344 A   829J PAETEC ITEL, LLC 128      
978-344 0   829J PAETEC ITEL, LLC 128      
978-344 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
978-344 2 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-22   
978-344 3   145J TERRA NOVA TELECOM INC. 128   2025-05-17   
978-344 4   829J PAETEC ITEL, LLC 128   2006-10-20   
978-344 5 CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2007-01-02   
978-344 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
978-344 7 CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
978-344 8 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-344 9   515J IP HORIZON LLC 128   2015-10-26   
978-450 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-450 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-450 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-450 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-450 3 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-10   
978-450 5 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-17   
978-450 6 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2005-10-17   
978-450 7 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-450 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-450 9 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-461 A MYNRMAWARS1  9102 VERIZON NEW ENGLAND INC. 128      
978-493 A CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-493 1 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-06-17   
978-493 2 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-01-12   
978-493 3 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-10-03   
978-493 4 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-08-03   
978-493 5 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-11-10   
978-493 6 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-03-25   
978-493 7 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-08-05   
978-493 8   515J IP HORIZON LLC 128   2016-07-01   
978-493 9 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-05-25   
978-637 A FRMNMAWADS1  7421 AT&T - LOCAL 128      
978-637 0 BSTPMALLOMD  073H TELNYX LLC 128   2017-04-27   
978-637 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-02-04   
978-637 2 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2011-07-22   
978-637 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-09-25   
978-637 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-637 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-637 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-14   
978-637 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-14   
978-637 9 FRMNMAWADS1  7421 AT&T - LOCAL 128      
978-648 A   829J PAETEC ITEL, LLC 128      
978-648 0 NRTNMAAACM4  5562 METROPCS, INC. 128   2008-12-15   
978-648 1 NRTNMAAACM4  5562 METROPCS, INC. 128   2008-12-15   
978-648 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-648 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-648 4 NRTNMAAACM4  5562 METROPCS, INC. 128   2011-03-28   
978-648 5 NRTNMAAACM4  5562 METROPCS, INC. 128   2021-12-28   
978-648 6   829J PAETEC ITEL, LLC 128      
978-648 7 NRTNMAAACM4  5562 METROPCS, INC. 128   2016-10-01   
978-648 8 NRTNMAAACM4  5562 METROPCS, INC. 128   2010-10-23   
978-648 9 NRTNMAAACM4  5562 METROPCS, INC. 128   2021-12-28   
978-723 A FRMNMAWADS0  7421 AT&T - LOCAL 128      
978-723 0 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-06-23   
978-723 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-06-23   
978-723 2 FRMNMAWADS0  7421 AT&T - LOCAL 128      
978-723 3 SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128   2022-02-26   

1 2 >>

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.