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.

Billerica, MA

1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
508-423 A CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-572 A CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-574 A CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-215 A   829J PAETEC ITEL, LLC 128      
978-262 A BLRCMAANRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-294 A BLRCMAANRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-294 0   073H TELNYX LLC 128   2017-04-26   
978-294 1   9102 VERIZON NEW ENGLAND INC. 128      
978-294 2   318J COMCAST IP PHONE, LLC 128   2016-01-18   
978-294 3   5562 METROPCS, INC. 128   2021-12-28   
978-294 4   5562 METROPCS, INC. 128   2021-12-28   
978-294 5   5562 METROPCS, INC. 128   2021-12-28   
978-294 6   5562 METROPCS, INC. 128   2021-12-28   
978-294 7   5562 METROPCS, INC. 128   2021-12-28   
978-294 8   318J COMCAST IP PHONE, LLC 128   2013-12-31   
978-294 9   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-313 A MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-313 0   7135 TC SYSTEMS, INC. 128      
978-313 1   7135 TC SYSTEMS, INC. 128      
978-313 2   7135 TC SYSTEMS, INC. 128      
978-313 3   7135 TC SYSTEMS, INC. 128      
978-313 4   5562 METROPCS, INC. 128   2022-04-28   
978-313 5   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-09-01   
978-313 6   7135 TC SYSTEMS, INC. 128   2012-03-19   
978-313 7   7135 TC SYSTEMS, INC. 128   2012-12-06   
978-313 8   7135 TC SYSTEMS, INC. 128   2013-10-01   
978-313 9   5562 METROPCS, INC. 128   2021-08-23   
978-330 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-330 0   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-12-31   
978-330 1   892D ONVOY, LLC - MA 128   2010-03-15   
978-330 2   316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
978-330 3   829J PAETEC ITEL, LLC 128   2006-10-30   
978-330 4   316E YMAX COMMUNICATIONS CORP. - MA 128   2009-02-17   
978-330 5   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-330 6   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-11   
978-330 7   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
978-330 8   5562 METROPCS, INC. 128   2011-08-15   
978-330 9   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-362 A NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-362 0   318J COMCAST IP PHONE, LLC 128   2012-06-08   
978-362 1   318J COMCAST IP PHONE, LLC 128      
978-362 2   318J COMCAST IP PHONE, LLC 128      
978-362 3   318J COMCAST IP PHONE, LLC 128      
978-362 4   892D ONVOY, LLC - MA 128   2023-07-23   
978-362 6   145J TERRA NOVA TELECOM INC. 128   2026-01-04   
978-362 7   516J TON80 COMMUNICATIONS, LLC 128   2022-03-13   
978-362 8   318J COMCAST IP PHONE, LLC 128   2007-02-22   
978-362 9   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-06-13   
978-408 A NRTNMAAACM4  5562 METROPCS, INC. 128      
978-408 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-06-29   
978-408 1   5562 METROPCS, INC. 128      
978-408 2   8468 FREEDOM RING COMMUNICATIONS, LLC 128   2007-06-29   
978-408 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-01-17   
978-408 4   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-06   
978-408 5   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-10-12   
978-408 6   5562 METROPCS, INC. 128      
978-408 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-05-01   
978-408 8   5562 METROPCS, INC. 128      
978-408 9   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-430 A CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-435 A CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-435 0   990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-435 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-09-29   
978-435 2   990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-435 3   990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-435 4   990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-435 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-11-28   
978-435 6   7135 TC SYSTEMS, INC. 128   2013-02-11   
978-435 7   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-04-28   
978-435 8   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-435 9   515J IP HORIZON LLC 128   2015-03-22   
978-436 A BLRCMAANRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-436 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-436 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-436 2   9102 VERIZON NEW ENGLAND INC. 128      
978-436 3   9102 VERIZON NEW ENGLAND INC. 128      
978-436 4   9102 VERIZON NEW ENGLAND INC. 128      
978-436 5   9102 VERIZON NEW ENGLAND INC. 128      
978-436 6   9102 VERIZON NEW ENGLAND INC. 128      
978-436 7   9102 VERIZON NEW ENGLAND INC. 128      
978-436 8   9102 VERIZON NEW ENGLAND INC. 128      
978-436 9   9102 VERIZON NEW ENGLAND INC. 128      
978-437 A BLRCMAANRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-437 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-07-01   
978-437 1   9102 VERIZON NEW ENGLAND INC. 128      
978-437 2   9102 VERIZON NEW ENGLAND INC. 128      
978-437 3   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-09-24   
978-437 5   892D ONVOY, LLC - MA 128   2022-09-25   
978-437 6   9102 VERIZON NEW ENGLAND INC. 128      
978-437 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2009-07-03   
978-437 8   515J IP HORIZON LLC 128   2015-10-16   
978-437 9   9102 VERIZON NEW ENGLAND INC. 128      
978-439 A BLRCMAANRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-439 0   145J TERRA NOVA TELECOM INC. 128   2022-11-01   
978-439 1   9102 VERIZON NEW ENGLAND INC. 128      
978-439 2   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-04-28   
978-439 3   9102 VERIZON NEW ENGLAND INC. 128      
978-439 4   9102 VERIZON NEW ENGLAND INC. 128      
978-439 5   145J TERRA NOVA TELECOM INC. 128   2024-09-09   
978-439 6   892D ONVOY, LLC - MA 128   2022-09-25   

1 2 3 4 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.