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
325-940 A Winters TX SANGTXRGCM0  961      
325-970 A San Angelo TX SANGTXRGCM0  961      
682-960 A Grapevine TX IRNITXMGCM0  552      
817-650 A Arlington TX DLLSTXMCDS0  552      
817-661 A Arlington TX DLLSTXMCDS0  552      
817-670 A Arlington TX DLLSTXMCDS0  552      
979-910 A Franklin TX BRYNTXEHCM0  570      
979-920 A Schulenburg TX BRYNTXEHCM0  570      
979-930 A La Grange TX BRYNTXEHCM0  570      
979-960 A Moravia TX BRYNTXEHCM0  570      
979-970 A Bryan-College Station TX BRYNTXEHCM0  570      
979-980 A Lexington TX BRYNTXEHCM0  570      
979-990 A Giddings TX BRYNTXEHCM0  570      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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