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: ELPSTXNODS0

Remotes:

Switch Switch name Switch type
ELPSTXEARS1  EL PASO  5ER 
ELPSTXMARS1  EL PASO  5ER 
ELPSTXNERS1  EL PASO  5ER 
ELPSTXSERS1  EL PASO  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
915-231 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-231 2 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-231 3 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-231 4 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-231 5 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-231 7 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-231 9 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-568 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-568 1 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-581 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-584 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-585 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-587 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-760 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-760 2 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-760 4 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-760 5 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-760 6 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-760 8 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-832 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-832 0 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-832 3 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-832 4 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-832 5 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-832 6 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-832 7 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-832 8 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-832 9 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-833 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-834 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-834 0 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-834 1 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-834 2 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-834 3 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-834 4 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-834 5 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-834 6 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-834 7 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-834 8 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-842 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-845 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-845 1 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-845 3 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-845 4 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-845 5 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-845 7 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-845 8 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-875 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-875 0 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-875 8 El Paso TX 9533 SOUTHWESTERN BELL 540      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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