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
870-547 A Emerson AR EMSNARXADS0  530      
870-645 A Trigg AR TRGGARXADS0  554      
870-653 A Fouke AR FOUKARXADS0  554      
870-683 A Trigg AR GRLDARXADS0  554      
870-691 A Fouke AR DDRGARXADS0  554      
870-896 A Fulton AR FLTNARXADS0  528      
870-983 A Washington AR WASHARXADS0  528      
903-728 A Bloomburg TX BLBGTXXADS0  554      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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