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: CMBRMAWADS2

Remotes:

Switch Switch name Switch type
BKLIMAGGRS1  BROOKLINE  ORM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-234 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-339 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-349 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-354 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-384 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-441 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-491 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-492 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-493 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-495 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-496 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-497 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-498 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-499 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-503 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-503 1 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-503 2 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-503 3 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-503 4 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-503 5 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-503 6 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-503 8 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-503 9 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-520 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-520 0 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-520 1 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-520 2 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-520 3 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-520 5 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-520 6 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-520 7 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-520 8 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-520 9 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-540 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-540 3 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-540 6 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-540 7 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-540 8 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-540 9 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-547 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-575 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-575 0 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-575 1 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-575 3 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-575 4 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-575 5 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-575 6 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-575 8 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-576 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-599 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-599 1 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-661 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-665 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-665 0 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-665 1 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-665 2 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-665 3 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-665 4 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-665 9 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-802 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-802 0 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-806 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-806 1 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-806 2 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-806 3 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-806 4 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-806 7 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-806 8 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-806 9 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-864 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-868 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-873 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-876 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
617-998 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
857-235 A Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128      
857-235 5 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 6 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 7 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 8 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 9 Cambridge MA 9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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