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.

Boston, MA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
617-406 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-11-30   
617-406 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-11-30   
617-406 9 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2005-06-03   
617-407 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-412 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-412 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-07-25   
617-412 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-07-25   
617-412 2   829J PAETEC ITEL, LLC 128   2005-06-04   
617-412 3   829J PAETEC ITEL, LLC 128   2005-06-04   
617-412 4   829J PAETEC ITEL, LLC 128   2005-07-18   
617-412 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-07-25   
617-412 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-07-25   
617-412 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-06-06   
617-412 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-06-02   
617-412 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-06-02   
617-413 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-414 A BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-416 A CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-419 A BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-419 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-03-04   
617-419 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-01-09   
617-419 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-01-09   
617-419 3 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-01-09   
617-419 4   829J PAETEC ITEL, LLC 128   2010-10-15   
617-419 5 CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2009-12-15   
617-419 6 CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2009-12-15   
617-419 7   829J PAETEC ITEL, LLC 128   2010-08-09   
617-419 8   829J PAETEC ITEL, LLC 128   2010-08-09   
617-419 9   829J PAETEC ITEL, LLC 128   2010-08-09   
617-421 A BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-422 A BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-422 0 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-422 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
617-422 2 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-422 3 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-422 4 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-422 5 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-422 6 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-422 7 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-422 8 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-422 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
617-423 A BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-424 A BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-425 A BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-426 A BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-428 A BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-429 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-434 A BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-437 A BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-438 A NRTNMAAACM4  5562 METROPCS, INC. 128      
617-438 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-438 1 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-438 2 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-438 3   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-438 4   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-438 5 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-438 6 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-438 7 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-438 8   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-438 9   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-439 A BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-443 A BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-447 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-447 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-08-09   
617-447 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-08-10   
617-447 2   829J PAETEC ITEL, LLC 128   2004-08-10   
617-447 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-08-10   
617-447 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-08-10   
617-447 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-08-10   
617-447 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-08-10   
617-447 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-08-10   
617-447 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-08-10   
617-447 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-08-10   
617-448 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-449 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 3 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 4 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 5 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 6 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 7 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
617-449 8 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2005-06-03   
617-449 9 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-450 A BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-451 A BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-456 A   829J PAETEC ITEL, LLC 128      
617-457 A BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-457 0 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-457 1 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-457 2 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-457 3 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-457 4 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-457 5 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-457 6 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-457 7 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-457 8 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-457 9 SOVLMAAB6MD  939H COMMIO, LLC 128   2024-03-04   
617-459 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 >>

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.