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: ELPSTXMADS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
915-215 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-313 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-351 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-485 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-521 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-532 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-533 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-534 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-538 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-541 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-542 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-543 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-544 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-545 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-546 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-577 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-747 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-838 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-979 A El Paso TX 9533 SOUTHWESTERN BELL 540      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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