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: CLBNTXMIDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
817-202 A Cleburne TX 9533 SOUTHWESTERN BELL 552      
817-517 A Cleburne EMS TX 9533 SOUTHWESTERN BELL 552      
817-556 A Cleburne TX 9533 SOUTHWESTERN BELL 552      
817-558 A Cleburne EMS TX 9533 SOUTHWESTERN BELL 552      
817-641 A Cleburne TX 9533 SOUTHWESTERN BELL 552      
817-645 A Cleburne TX 9533 SOUTHWESTERN BELL 552      
817-648 A Cleburne EMS TX 9533 SOUTHWESTERN BELL 552      
817-760 A Cleburne TX 9533 SOUTHWESTERN BELL 552      
817-774 A Cleburne EMS TX 9533 SOUTHWESTERN BELL 552      

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

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