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: DRPKNYDPG0T

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
631-852 A Riverhead NY 9104 VERIZON NEW YORK, INC. 132      
631-853 A Central Islip NY 9104 VERIZON NEW YORK, INC. 132      
631-853 1 Central Islip NY 9104 VERIZON NEW YORK, INC. 132      
631-853 2 Central Islip NY 9104 VERIZON NEW YORK, INC. 132      
631-853 3 Central Islip NY 9104 VERIZON NEW YORK, INC. 132      
631-853 4 Central Islip NY 9104 VERIZON NEW YORK, INC. 132      
631-853 5 Central Islip NY 9104 VERIZON NEW YORK, INC. 132      
631-853 6 Central Islip NY 9104 VERIZON NEW YORK, INC. 132      
631-853 7 Central Islip NY 9104 VERIZON NEW YORK, INC. 132      
631-853 8 Central Islip NY 9104 VERIZON NEW YORK, INC. 132      
631-854 A Brentwood NY 9104 VERIZON NEW YORK, INC. 132      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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