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: CLUTTXCLDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
979-265 A Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      
979-266 A Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      
979-266 1 Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      
979-266 2 Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      
979-266 3 Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      
979-266 4 Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      
979-266 5 Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      
979-266 7 Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      
979-266 8 Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      
979-388 A Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      
979-388 0 Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      
979-388 1 Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      
979-388 2 Clute-Lake Jackson TX 9533 SOUTHWESTERN BELL 560      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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