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: BRHMTXBRDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
979-251 A Brenham TX 9533 SOUTHWESTERN BELL 560      
979-277 A Brenham TX 9533 SOUTHWESTERN BELL 560      
979-337 A Brenham TX 9533 SOUTHWESTERN BELL 560      
979-337 0 Brenham TX 9533 SOUTHWESTERN BELL 560      
979-337 5 Brenham TX 9533 SOUTHWESTERN BELL 560   2012-12-23   
979-337 6 Brenham TX 9533 SOUTHWESTERN BELL 560      
979-337 7 Brenham TX 9533 SOUTHWESTERN BELL 560      
979-421 A Brenham TX 9533 SOUTHWESTERN BELL 560      
979-421 0 Brenham TX 9533 SOUTHWESTERN BELL 560      
979-421 1 Brenham TX 9533 SOUTHWESTERN BELL 560      
979-421 2 Brenham TX 9533 SOUTHWESTERN BELL 560      
979-421 3 Brenham TX 9533 SOUTHWESTERN BELL 560      
979-421 5 Brenham TX 9533 SOUTHWESTERN BELL 560      
979-421 6 Brenham TX 9533 SOUTHWESTERN BELL 560      
979-421 9 Brenham TX 9533 SOUTHWESTERN BELL 560      
979-830 A Brenham TX 9533 SOUTHWESTERN BELL 560      
979-836 A Brenham TX 9533 SOUTHWESTERN BELL 560      

Last updated: Fri, 13 May 2022 22:16:13 UTC

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