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.

Wilmington, MA

1 2 3 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
978-203 A   829J PAETEC ITEL, LLC 128      
978-203 0 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2005-04-21   
978-203 1   829J PAETEC ITEL, LLC 128      
978-203 2   829J PAETEC ITEL, LLC 128      
978-203 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-23   
978-203 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-19   
978-203 5 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-19   
978-203 6 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-10-31   
978-203 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-203 9 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-10-31   
978-205 A BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2024-02-22   
978-205 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-205 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-03-08   
978-229 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-229 0 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-09-11   
978-229 1 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-229 2 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-229 5 CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2005-04-10   
978-229 6 SOVLMAABDMD  490J BOOST SUBSCRIBERCO L.L.C. 128   2023-06-05   
978-229 8 SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-08-09   
978-253 A   829J PAETEC ITEL, LLC 128      
978-253 0 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-02-14   
978-253 2   829J PAETEC ITEL, LLC 128      
978-253 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2003-12-08   
978-253 5   829J PAETEC ITEL, LLC 128      
978-253 6   829J PAETEC ITEL, LLC 128      
978-253 7   829J PAETEC ITEL, LLC 128      
978-253 9   829J PAETEC ITEL, LLC 128      
978-267 A BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-267 0 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-06-23   
978-267 1 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-267 2 CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-09   
978-267 3 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-10-21   
978-267 4 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2014-12-11   
978-267 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-06-06   
978-267 6 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-12-19   
978-267 7 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-22   
978-267 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-06-23   
978-267 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-06-23   
978-284 A WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-284 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2009-02-02   
978-284 1   515J IP HORIZON LLC 128   2015-03-27   
978-284 2   829J PAETEC ITEL, LLC 128   2009-12-16   
978-284 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2010-12-16   
978-284 4 WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-284 5 WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-284 6   829J PAETEC ITEL, LLC 128   2003-04-21   
978-284 7 WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-284 8   829J PAETEC ITEL, LLC 128   2010-12-20   
978-284 9 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-04-02   

1 2 3 4 5 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.