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: FTWOTXBRDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
682-518 A Mansfield TX 9533 SOUTHWESTERN BELL 552      
682-518 0 Mansfield TX 9533 SOUTHWESTERN BELL 552      
682-518 1 Mansfield TX 9533 SOUTHWESTERN BELL 552      
682-518 5 Mansfield TX 9533 SOUTHWESTERN BELL 552      
682-518 6 Mansfield TX 9533 SOUTHWESTERN BELL 552      
682-518 7 Mansfield TX 9533 SOUTHWESTERN BELL 552      
682-518 8 Mansfield TX 9533 SOUTHWESTERN BELL 552      
682-518 9 Mansfield TX 9533 SOUTHWESTERN BELL 552      
817-453 A Mansfield TX 9533 SOUTHWESTERN BELL 552      
817-473 A Mansfield TX 9533 SOUTHWESTERN BELL 552      
817-477 A Mansfield EMS TX 9533 SOUTHWESTERN BELL 552      
817-477 0 Mansfield EMS TX 9533 SOUTHWESTERN BELL 552      
817-477 1 Mansfield EMS TX 9533 SOUTHWESTERN BELL 552      
817-477 2 Mansfield EMS TX 9533 SOUTHWESTERN BELL 552      
817-477 3 Mansfield EMS TX 9533 SOUTHWESTERN BELL 552      
817-477 4 Mansfield EMS TX 9533 SOUTHWESTERN BELL 552      
817-477 5 Mansfield EMS TX 9533 SOUTHWESTERN BELL 552      
817-477 8 Mansfield EMS TX 9533 SOUTHWESTERN BELL 552      
817-477 9 Mansfield EMS TX 9533 SOUTHWESTERN BELL 552      
817-539 A Mansfield TX 9533 SOUTHWESTERN BELL 552      
817-539 0 Mansfield TX 9533 SOUTHWESTERN BELL 552      
817-539 2 Mansfield TX 9533 SOUTHWESTERN BELL 552   2008-02-01   
817-539 7 Mansfield TX 9533 SOUTHWESTERN BELL 552   2007-01-26   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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