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.

Switch: CMBRMABEDS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-693 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-761 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-761 0 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-761 1 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-761 2 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-761 3 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-761 4 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-761 5 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-761 6 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-761 8 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-761 9 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-768 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-768 0 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-768 1 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-768 2 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-768 3 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-768 4 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-768 5 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-768 6 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-768 8 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-768 9 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-866 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-866 4 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-866 6 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-871 3 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2002-11-25   
617-871 4 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2002-11-19   
617-871 5 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2002-11-19   
617-871 7 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2002-11-19   
617-871 8 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2002-11-19   
857-235 0 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 1 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 2 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 3 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 4 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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