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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SPRNTXNODS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
832-813 0 Spring EMS TX 9533 SOUTHWESTERN BELL 560      
832-813 1 Spring EMS TX 9533 SOUTHWESTERN BELL 560      
832-813 4 Spring EMS TX 9533 SOUTHWESTERN BELL 560      
832-813 6 Spring EMS TX 9533 SOUTHWESTERN BELL 560      
832-813 7 Spring EMS TX 9533 SOUTHWESTERN BELL 560      

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

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