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: HNSTNYHUDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
516-367 A Cold Spring Harbor NY 9104 VERIZON NEW YORK, INC. 132      
516-422 A Cold Spring Harbor NY 9104 VERIZON NEW YORK, INC. 132      
516-692 A Cold Spring Harbor NY 9104 VERIZON NEW YORK, INC. 132      
631-271 A Huntington NY 9104 VERIZON NEW YORK, INC. 132      
631-351 A Huntington NY 9104 VERIZON NEW YORK, INC. 132      
631-367 A Cold Spring Harbor NY 9104 VERIZON NEW YORK, INC. 132      
631-385 A Huntington NY 9104 VERIZON NEW YORK, INC. 132      
631-421 A Huntington NY 9104 VERIZON NEW YORK, INC. 132      
631-423 A Huntington NY 9104 VERIZON NEW YORK, INC. 132      
631-424 A Huntington NY 9104 VERIZON NEW YORK, INC. 132      
631-425 A Huntington NY 9104 VERIZON NEW YORK, INC. 132      
631-427 A Huntington NY 9104 VERIZON NEW YORK, INC. 132      
631-547 A Huntington NY 9104 VERIZON NEW YORK, INC. 132      
631-549 A Huntington NY 9104 VERIZON NEW YORK, INC. 132      
631-673 A Huntington NY 9104 VERIZON NEW YORK, INC. 132      
631-692 A Cold Spring Harbor NY 9104 VERIZON NEW YORK, INC. 132      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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