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: NYCMNY37XBX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
516-893 A Nassau Zone 1 NY 321J HD CARRIER LLC 132      
516-893 7 Nassau Zone 1 NY 321J HD CARRIER LLC 132   2021-04-03   
516-893 8 Nassau Zone 1 NY 321J HD CARRIER LLC 132   2021-04-03   
516-893 9 Nassau Zone 1 NY 321J HD CARRIER LLC 132   2021-04-03   
516-896 A Nassau Zone 2 NY 321J HD CARRIER LLC 132      
516-896 7 Nassau Zone 2 NY 321J HD CARRIER LLC 132   2021-04-03   
516-896 8 Nassau Zone 2 NY 321J HD CARRIER LLC 132   2021-04-03   
516-896 9 Nassau Zone 2 NY 321J HD CARRIER LLC 132   2021-04-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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