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: HSTNTXBADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-315 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-397 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-440 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-444 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-537 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-580 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-583 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-586 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-587 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-631 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-866 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-880 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-891 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-893 A Bammel TX 9533 SOUTHWESTERN BELL 560      
281-895 A Bammel TX 9533 SOUTHWESTERN BELL 560      
832-249 A Bammel TX 9533 SOUTHWESTERN BELL 560      
832-375 A Bammel TX 9533 SOUTHWESTERN BELL 560      
832-484 A Bammel TX 9533 SOUTHWESTERN BELL 560      
832-836 A Bammel TX 9533 SOUTHWESTERN BELL 560      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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