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: HSTNTXNADS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-584 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-584 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-585 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-585 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-585 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-585 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-585 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-585 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-585 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-599 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-621 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-622 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-623 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-623 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-623 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-623 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-623 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-623 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-623 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-623 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-623 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-624 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-624 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-624 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-624 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-624 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-624 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-624 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-624 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-624 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-836 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-836 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-836 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-836 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-836 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-840 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-850 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-871 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-877 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-888 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-940 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-940 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-940 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-940 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-940 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-940 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-940 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-940 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-940 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-960 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-960 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-960 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-960 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-960 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-960 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-960 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-960 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-961 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-963 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-964 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-965 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-965 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-965 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-965 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-965 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-965 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-965 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-966 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-966 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-966 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-966 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-966 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-966 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-966 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-966 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-968 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-993 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-993 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-993 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-993 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-993 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-993 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-993 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-993 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-993 9 Houston TX 9533 SOUTHWESTERN BELL 560      
832-675 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-675 7 Houston TX 9533 SOUTHWESTERN BELL 560      
832-675 8 Houston TX 9533 SOUTHWESTERN BELL 560      
832-676 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-681 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-681 2 Houston TX 9533 SOUTHWESTERN BELL 560      
832-681 3 Houston TX 9533 SOUTHWESTERN BELL 560      
832-681 5 Houston TX 9533 SOUTHWESTERN BELL 560      
832-681 7 Houston TX 9533 SOUTHWESTERN BELL 560      

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

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