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: CMRNTXCMRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-605 A Cameron TX 9533 SOUTHWESTERN BELL 556      
254-605 0 Cameron TX 9533 SOUTHWESTERN BELL 556      
254-605 1 Cameron TX 9533 SOUTHWESTERN BELL 556      
254-697 A Cameron TX 9533 SOUTHWESTERN BELL 556      
254-697 1 Cameron TX 9533 SOUTHWESTERN BELL 556      
254-697 2 Cameron TX 9533 SOUTHWESTERN BELL 556      
254-697 3 Cameron TX 9533 SOUTHWESTERN BELL 556      
254-697 4 Cameron TX 9533 SOUTHWESTERN BELL 556      
254-697 5 Cameron TX 9533 SOUTHWESTERN BELL 556      
254-697 6 Cameron TX 9533 SOUTHWESTERN BELL 556      
254-697 7 Cameron TX 9533 SOUTHWESTERN BELL 556      
254-697 8 Cameron TX 9533 SOUTHWESTERN BELL 556      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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