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
806-327 A Fletcher-Carter TX FLCRTXXARS1  544      
806-428 A O'Donnell TX ODNLTXXA0MD  544      
806-439 A Aten TX ATENTXXARS1  544      
806-462 A Patricia TX PTRCTXXARS1  544      
806-465 A West Lakes TX WLKSTXXA0MD  544      
806-487 A Loop TX LOOPTXXARS0  544      
806-489 A Punkin Center TX PNCTTXXARS0  544      
806-497 A Hatch TX HATCTXXARS1  544      
806-522 A Wheatley TX WHTLTXXARS1  544      
806-585 A Ausborne TX ASBRTXXARS0  544      
806-645 A Nelms TX NLMSTXXA0MD  544      
806-755 A Union TX UNINTXXARS1  544      
806-756 A Gail TX GAILTXXARS1  544      
806-924 A New Home TX NWHOTXXBRS1  544      
806-996 A Southland TX SLNDTXXARS1  544      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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