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: HSTNTXHODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
346-971 A Houston TX 9533 SOUTHWESTERN BELL 560      
346-971 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-242 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-242 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-242 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-251 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-251 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-251 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-251 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-251 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-251 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-251 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-251 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-251 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-251 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-251 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-262 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-262 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-262 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-262 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-262 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-262 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-262 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-262 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-295 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-338 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-338 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-338 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-338 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-338 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-365 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-461 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-463 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-464 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-465 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-467 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-468 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-647 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-647 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-647 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-647 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-647 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-647 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-647 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-647 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-647 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-722 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-827 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-932 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-973 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 9 Houston TX 9533 SOUTHWESTERN BELL 560      
832-358 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-358 0 Houston TX 9533 SOUTHWESTERN BELL 560      
832-358 2 Houston TX 9533 SOUTHWESTERN BELL 560      
832-358 8 Houston TX 9533 SOUTHWESTERN BELL 560      
832-358 9 Houston TX 9533 SOUTHWESTERN BELL 560      
832-657 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-657 0 Houston TX 9533 SOUTHWESTERN BELL 560      
832-657 8 Houston TX 9533 SOUTHWESTERN BELL 560      
832-658 3 Houston TX 9533 SOUTHWESTERN BELL 560      

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

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