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.

Lowell, MA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
978-656 0   9102 VERIZON NEW ENGLAND INC. 128      
978-656 1   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-04-18   
978-656 2   508J CENTURYLINK COMMUNICATIONS, LLC 128      
978-656 3   9102 VERIZON NEW ENGLAND INC. 128      
978-656 4   9102 VERIZON NEW ENGLAND INC. 128      
978-656 5   9102 VERIZON NEW ENGLAND INC. 128      
978-656 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-05-05   
978-656 7   9102 VERIZON NEW ENGLAND INC. 128      
978-656 8   318J COMCAST IP PHONE, LLC 128   2008-09-06   
978-656 9   145J TERRA NOVA TELECOM INC. 128   2024-02-10   
978-674 A BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-674 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-11-28   
978-674 1   829J PAETEC ITEL, LLC 128   2008-02-21   
978-674 2   829J PAETEC ITEL, LLC 128   2008-02-21   
978-674 3   829J PAETEC ITEL, LLC 128   2008-02-21   
978-674 4   829J PAETEC ITEL, LLC 128   2008-02-21   
978-674 5   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-06-26   
978-674 6   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2008-03-07   
978-674 7   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-12-09   
978-674 8   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-12-09   
978-674 9   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-06-08   
978-677 A   7135 TC SYSTEMS, INC. 128      
978-677 0   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-02-08   
978-677 1   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-10-08   
978-677 2   318J COMCAST IP PHONE, LLC 128   2015-02-04   
978-677 3   7135 TC SYSTEMS, INC. 128      
978-677 4   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-06-28   
978-677 5   939H COMMIO, LLC 128   2021-10-16   
978-677 6   318J COMCAST IP PHONE, LLC 128   2006-05-21   
978-677 7   318J COMCAST IP PHONE, LLC 128   2006-05-21   
978-677 8   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-05-11   
978-677 9   316E YMAX COMMUNICATIONS CORP. - MA 128   2008-09-28   
978-703 A   829J PAETEC ITEL, LLC 128      
978-703 0   829J PAETEC ITEL, LLC 128      
978-703 1   829J PAETEC ITEL, LLC 128      
978-703 2   829J PAETEC ITEL, LLC 128      
978-703 3   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-04-21   
978-703 4   829J PAETEC ITEL, LLC 128      
978-703 5   829J PAETEC ITEL, LLC 128      
978-703 6   829J PAETEC ITEL, LLC 128      
978-703 7   829J PAETEC ITEL, LLC 128      
978-703 8   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-10-21   
978-703 9   829J PAETEC ITEL, LLC 128      
978-710 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-710 0   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-710 1   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-06-08   
978-710 2   7135 TC SYSTEMS, INC. 128   2010-10-28   
978-710 3   318J COMCAST IP PHONE, LLC 128   2006-10-17   
978-710 4   318J COMCAST IP PHONE, LLC 128   2006-10-17   
978-710 5   318J COMCAST IP PHONE, LLC 128   2006-10-17   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.