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: HSTNTXCLDS0

Remotes:

Switch Switch name Switch type
HSTXTXSDRS0  DEER PARK  5ER 
HSTXTXSMRS0  HOUSTON  5ER 
SPRNTXSMRS0  SPRING  5ER 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-970 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-970 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-970 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-970 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-970 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-970 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-970 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-970 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-970 9 Houston TX 9533 SOUTHWESTERN BELL 560      
832-466 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-466 0 Houston TX 9533 SOUTHWESTERN BELL 560      
832-668 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-668 1 Houston TX 9533 SOUTHWESTERN BELL 560      
832-668 2 Houston TX 9533 SOUTHWESTERN BELL 560      
832-668 3 Houston TX 9533 SOUTHWESTERN BELL 560      
832-668 7 Houston TX 9533 SOUTHWESTERN BELL 560      
832-668 8 Houston TX 9533 SOUTHWESTERN BELL 560      
832-852 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-852 9 Houston TX 9533 SOUTHWESTERN BELL 560      

<< 1 2 3

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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