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.
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Switch: HSTNTXSADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-469 A Satsuma TX 9533 SOUTHWESTERN BELL 560      
281-477 A Satsuma TX 9533 SOUTHWESTERN BELL 560      
281-517 A Satsuma TX 9533 SOUTHWESTERN BELL 560      
281-807 A Satsuma TX 9533 SOUTHWESTERN BELL 560      
281-890 A Satsuma TX 9533 SOUTHWESTERN BELL 560      
281-894 A Satsuma TX 9533 SOUTHWESTERN BELL 560      
281-897 A Satsuma TX 9533 SOUTHWESTERN BELL 560      
281-955 A Satsuma TX 9533 SOUTHWESTERN BELL 560      
281-970 A Satsuma TX 9533 SOUTHWESTERN BELL 560      
832-237 A Satsuma TX 9533 SOUTHWESTERN BELL 560      
832-688 A Satsuma TX 9533 SOUTHWESTERN BELL 560      
832-912 A Satsuma TX 9533 SOUTHWESTERN BELL 560      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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