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: SELYTXSERS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
979-627 A Sealy TX 9533 SOUTHWESTERN BELL 560      
979-627 0 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-627 7 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-877 A Sealy TX 9533 SOUTHWESTERN BELL 560      
979-877 0 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-877 2 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-877 4 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-877 5 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-877 6 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-877 7 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-877 8 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-877 9 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-885 A Sealy TX 9533 SOUTHWESTERN BELL 560      
979-885 0 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-885 1 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-885 2 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-885 3 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-885 4 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-885 6 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-885 7 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-885 8 Sealy TX 9533 SOUTHWESTERN BELL 560      
979-885 9 Sealy TX 9533 SOUTHWESTERN BELL 560      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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