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: WHPLNYGRX0X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
329-209 A Brewster NY 425J CSC WIRELESS, LLC 132   2024-03-01   
332-210 A New York City Zone 01 NY 425J CSC WIRELESS, LLC 132      
516-709 A Nassau Zone 4 NY 425J CSC WIRELESS, LLC 132      
516-836 A Nassau Zone 3 NY 425J CSC WIRELESS, LLC 132      
631-819 A Bay Shore NY 425J CSC WIRELESS, LLC 132      
631-984 A Deer Park NY 425J CSC WIRELESS, LLC 132      
914-370 A Westchester Zone 1 NY 425J CSC WIRELESS, LLC 132      
914-634 A Chappaqua NY 425J CSC WIRELESS, LLC 132      
929-531 A New York City Zone 13 NY 425J CSC WIRELESS, LLC 132      
929-541 A New York City Zone 03 NY 425J CSC WIRELESS, LLC 132      
929-610 A New York City Zone 04 NY 425J CSC WIRELESS, LLC 132      
929-776 A New York City Zone 04 NY 425J CSC WIRELESS, LLC 132   2024-10-18   
934-252 A Central Islip NY 425J CSC WIRELESS, LLC 132      

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

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