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: HSTNTXCADS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
346-265 A Houston TX 9533 SOUTHWESTERN BELL 560      
346-265 2 Houston TX 9533 SOUTHWESTERN BELL 560      
346-265 3 Houston TX 9533 SOUTHWESTERN BELL 560      
346-265 4 Houston TX 9533 SOUTHWESTERN BELL 560      
346-265 5 Houston TX 9533 SOUTHWESTERN BELL 560      
346-265 6 Houston TX 9533 SOUTHWESTERN BELL 560      
346-286 A Houston TX 9533 SOUTHWESTERN BELL 560      
346-286 0 Houston TX 9533 SOUTHWESTERN BELL 560      
346-286 1 Houston TX 9533 SOUTHWESTERN BELL 560      
346-286 2 Houston TX 9533 SOUTHWESTERN BELL 560      
346-286 3 Houston TX 9533 SOUTHWESTERN BELL 560      
346-286 4 Houston TX 9533 SOUTHWESTERN BELL 560      
346-286 5 Houston TX 9533 SOUTHWESTERN BELL 560      
346-286 6 Houston TX 9533 SOUTHWESTERN BELL 560      
346-286 7 Houston TX 9533 SOUTHWESTERN BELL 560      
346-286 8 Houston TX 9533 SOUTHWESTERN BELL 560      
346-286 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-216 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-217 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-220 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-221 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-221 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-221 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-221 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-221 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-221 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-221 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-221 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-221 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-221 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-222 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-223 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-224 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-225 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-226 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-226 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-226 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-226 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-226 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-226 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-226 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-226 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-226 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-226 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-227 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-228 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-228 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-228 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-228 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-228 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-228 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-228 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-228 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-228 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-228 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-229 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-236 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-237 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-238 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-247 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-247 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-247 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-247 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-247 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-247 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-247 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-247 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-247 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-247 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-250 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-250 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-250 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-250 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-250 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-250 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-250 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-250 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-250 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-250 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-259 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-259 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-259 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-274 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-274 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-274 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-274 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-274 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-274 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-274 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-274 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-274 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-274 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-274 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-315 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-315 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-315 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-315 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-315 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-315 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-315 8 Houston TX 9533 SOUTHWESTERN BELL 560      

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

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