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: TYLRTXCHRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
903-565 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-565 0 Tyler TX 9533 SOUTHWESTERN BELL 554      
903-565 1 Tyler TX 9533 SOUTHWESTERN BELL 554      
903-565 2 Tyler TX 9533 SOUTHWESTERN BELL 554      
903-565 3 Tyler TX 9533 SOUTHWESTERN BELL 554      
903-565 4 Tyler TX 9533 SOUTHWESTERN BELL 554      
903-565 5 Tyler TX 9533 SOUTHWESTERN BELL 554      
903-565 6 Tyler TX 9533 SOUTHWESTERN BELL 554      
903-565 7 Tyler TX 9533 SOUTHWESTERN BELL 554      
903-565 8 Tyler TX 9533 SOUTHWESTERN BELL 554      
903-566 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-730 3 Tyler TX 9533 SOUTHWESTERN BELL 554      

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

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