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: EDBGTXEBDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-388 4 Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-388 5 Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-388 6 Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-388 7 Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-388 8 Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-388 9 Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-393 A Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-393 2 Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-393 3 Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-393 4 Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-393 5 Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-393 6 Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-587 A Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-587 6 Edinburg TX 9533 SOUTHWESTERN BELL 568   2007-04-26   
956-665 A Edinburg TX 9533 SOUTHWESTERN BELL 568      
956-874 0 Edinburg TX 9533 SOUTHWESTERN BELL 568   2006-01-28   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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