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
978-527 6   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-527 7   624H ONVOY SPECTRUM, LLC 128   2022-03-18   
978-527 8   892D ONVOY, LLC - MA 128   2019-02-11   
978-527 9   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2022-01-28   
978-570 A MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-570 0   7135 TC SYSTEMS, INC. 128      
978-570 1   7135 TC SYSTEMS, INC. 128      
978-570 2   8468 FREEDOM RING COMMUNICATIONS, LLC 128   2005-03-17   
978-570 3   7135 TC SYSTEMS, INC. 128   2015-04-27   
978-570 4   892D ONVOY, LLC - MA 128   2021-07-10   
978-570 5   892D ONVOY, LLC - MA 128   2021-07-10   
978-570 6   7135 TC SYSTEMS, INC. 128      
978-570 7   892D ONVOY, LLC - MA 128   2021-07-10   
978-570 8   892D ONVOY, LLC - MA 128   2021-07-10   
978-604 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-604 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-604 1   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-604 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-11-22   
978-604 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-06-30   
978-604 4   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-604 5   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-08-01   
978-604 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-02-02   
978-604 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-02-06   
978-604 8   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-06-03   
978-604 9   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-642 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-642 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-642 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-09-10   
978-642 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-642 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-08-13   
978-642 4   145J TERRA NOVA TELECOM INC. 128   2022-04-12   
978-642 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-642 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-08-13   
978-642 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-08-13   
978-657 A WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-658 A WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-661 A WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-661 1   9102 VERIZON NEW ENGLAND INC. 128      
978-661 2   9102 VERIZON NEW ENGLAND INC. 128      
978-661 4   145J TERRA NOVA TELECOM INC. 128   2022-12-16   
978-661 5   9102 VERIZON NEW ENGLAND INC. 128      
978-661 6   9102 VERIZON NEW ENGLAND INC. 128      
978-661 7   9102 VERIZON NEW ENGLAND INC. 128      
978-661 8   9102 VERIZON NEW ENGLAND INC. 128      
978-661 9   9102 VERIZON NEW ENGLAND INC. 128      
978-694 A WLMGMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
978-694 0   9102 VERIZON NEW ENGLAND INC. 128      
978-694 1   9102 VERIZON NEW ENGLAND INC. 128      
978-694 2   9102 VERIZON NEW ENGLAND INC. 128      
978-694 3   9102 VERIZON NEW ENGLAND INC. 128      

<< 1 2 3 4 5 >>

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.