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.


NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
332-255 A New York City Zone 01 NY NYCMNYBXMMD  132      
332-255 7 New York City Zone 01 NY   132   2017-06-10   
863-500 A Lakeland FL TAMSFLDELMD  952      
863-500 5 Lakeland FL   952   2016-12-01   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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