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.
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Switch: HMBYNYHBDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
631-723 A Hampton Bays NY 9104 VERIZON NEW YORK, INC. 132      
631-723 0 Hampton Bays NY 9104 VERIZON NEW YORK, INC. 132      
631-723 1 Hampton Bays NY 9104 VERIZON NEW YORK, INC. 132      
631-723 2 Hampton Bays NY 9104 VERIZON NEW YORK, INC. 132      
631-723 3 Hampton Bays NY 9104 VERIZON NEW YORK, INC. 132      
631-723 4 Hampton Bays NY 9104 VERIZON NEW YORK, INC. 132      
631-723 5 Hampton Bays NY 9104 VERIZON NEW YORK, INC. 132      
631-723 7 Hampton Bays NY 9104 VERIZON NEW YORK, INC. 132      
631-728 A Hampton Bays NY 9104 VERIZON NEW YORK, INC. 132      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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