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.

Westboro, MA

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
508-871 5 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-871 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-07-01   
508-871 7 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-871 8 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-871 9 WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-898 A WSBOMASUDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-948 A WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-948 0 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-12   
508-948 1 WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-948 2   829J PAETEC ITEL, LLC 128   2008-09-26   
508-948 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-12-28   
508-948 4 CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2006-11-23   
508-948 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-06-20   
508-948 6   829J PAETEC ITEL, LLC 128   2011-11-01   
508-948 7 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-09-01   
508-948 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2010-09-02   
508-948 9 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-11-01   
508-983 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-983 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-983 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-983 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-983 3 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-10-01   
508-983 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-02-03   
508-983 5   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2025-07-21   
508-983 6 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-30   
508-983 7 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-30   
508-983 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2005-07-30   
508-983 9 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-30   
508-986 A   829J PAETEC ITEL, LLC 128      
508-986 0   829J PAETEC ITEL, LLC 128      
508-986 1   829J PAETEC ITEL, LLC 128      
508-986 2   829J PAETEC ITEL, LLC 128      
508-986 3   829J PAETEC ITEL, LLC 128      
508-986 4   829J PAETEC ITEL, LLC 128      
508-986 5   829J PAETEC ITEL, LLC 128      
508-986 6   829J PAETEC ITEL, LLC 128      
508-986 7   829J PAETEC ITEL, LLC 128      
508-986 8 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-22   
508-986 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-01-10   
774-288 A NRTNMAAACM4  5562 METROPCS, INC. 128      
774-288 0 NRTNMAAACM4  5562 METROPCS, INC. 128      
774-288 1   145J TERRA NOVA TELECOM INC. 128   2026-02-09   
774-288 2 SOVLMAABDMD  490J BOOST SUBSCRIBERCO L.L.C. 128   2023-12-01   
774-288 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-12-07   
774-288 9 NRTNMAAACM4  5562 METROPCS, INC. 128      
774-399 A BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-399 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-07-12   
774-399 1 BSTNMACO1MD  073H TELNYX LLC 128   2022-06-16   
774-399 2 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-01-15   
774-399 5 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2019-07-13   

<< 1 2 3 4 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.