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.

Foxboro, MA

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
508-203 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-203 0   5562 METROPCS, INC. 128   2008-12-15   
508-203 1   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-203 2   829J PAETEC ITEL, LLC 128   2004-12-23   
508-203 3   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2012-08-27   
508-203 4   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-203 5   145J TERRA NOVA TELECOM INC. 128   2026-01-11   
508-203 6   990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-06-01   
508-203 7   990E BANDWIDTH.COM CLEC, LLC - MA 128   2007-05-31   
508-203 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-09-17   
508-203 9   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-12-11   
508-216 A WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-216 0   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
508-216 1   7135 TC SYSTEMS, INC. 128      
508-216 2   7135 TC SYSTEMS, INC. 128      
508-216 3   5562 METROPCS, INC. 128   2008-12-09   
508-216 4   5562 METROPCS, INC. 128   2008-01-11   
508-216 5   5562 METROPCS, INC. 128   2008-01-11   
508-216 6   5562 METROPCS, INC. 128   2008-08-22   
508-216 7   892D ONVOY, LLC - MA 128   2005-07-30   
508-216 8   892D ONVOY, LLC - MA 128   2005-07-30   
508-447 A FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
508-543 A FXBOMACORS1  9102 VERIZON NEW ENGLAND INC. 128      
508-546 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-546 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-546 1   145J TERRA NOVA TELECOM INC. 128   2024-02-05   
508-546 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-546 3   145J TERRA NOVA TELECOM INC. 128   2021-01-18   
508-546 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-546 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-546 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-546 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-546 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-546 9   892D ONVOY, LLC - MA 128   2021-03-11   
508-549 A FXBOMACORS1  9102 VERIZON NEW ENGLAND INC. 128      
508-623 A   829J PAETEC ITEL, LLC 128      
508-623 0   829J PAETEC ITEL, LLC 128      
508-623 1   829J PAETEC ITEL, LLC 128      
508-623 2   829J PAETEC ITEL, LLC 128      
508-623 3   829J PAETEC ITEL, LLC 128      
508-623 4   829J PAETEC ITEL, LLC 128      
508-623 5   892D ONVOY, LLC - MA 128   2010-10-22   
508-623 6   892D ONVOY, LLC - MA 128   2010-10-22   
508-623 7   892D ONVOY, LLC - MA 128   2010-10-22   
508-623 8   892D ONVOY, LLC - MA 128   2010-10-22   
508-623 9   892D ONVOY, LLC - MA 128   2010-10-22   
508-698 A FXBOMACORS1  9102 VERIZON NEW ENGLAND INC. 128      
508-718 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-718 0   145J TERRA NOVA TELECOM INC. 128   2025-05-07   
508-718 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

1 2 3 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.