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
713-371 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-371 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-371 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-388 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-388 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-388 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-388 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-388 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-388 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-388 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-388 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-393 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-393 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-393 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-393 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-393 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-393 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-393 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-393 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-393 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-420 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-420 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-420 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-420 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-420 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-420 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-420 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-420 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-420 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-420 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-422 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-422 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-422 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-422 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-422 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-422 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-422 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-422 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-422 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-428 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-428 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-428 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-428 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-428 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-428 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-428 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-445 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-445 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-445 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-445 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-445 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-445 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-445 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-445 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-445 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-445 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-507 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-609 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-609 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-609 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-609 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-609 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-609 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-609 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-609 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-656 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-657 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-657 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-657 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-657 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-657 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-657 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-657 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-657 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-718 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-730 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-730 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-730 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-757 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-757 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-757 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-757 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-757 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-757 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-757 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-757 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-757 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-757 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-767 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-844 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-844 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-844 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-844 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-844 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-844 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-844 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-844 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-844 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-844 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-970 A Houston TX 9533 SOUTHWESTERN BELL 560      

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

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