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.

El Paso, TX

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
915-760 4   9533 SOUTHWESTERN BELL 540      
915-760 5   9533 SOUTHWESTERN BELL 540      
915-760 6   9533 SOUTHWESTERN BELL 540      
915-760 7   6529 T-MOBILE USA, INC. 540   2005-06-24   
915-760 8   9533 SOUTHWESTERN BELL 540      
915-760 9   6529 T-MOBILE USA, INC. 540   2005-06-24   
915-771 A ELPSTXSEDS0  9533 SOUTHWESTERN BELL 540      
915-772 A ELPSTXSEDS0  9533 SOUTHWESTERN BELL 540      
915-773 A ELPUTXAYUMD  7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 540      
915-773 0   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 540   2004-12-09   
915-773 1   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 540   2004-12-09   
915-773 2   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 540   2004-12-09   
915-773 3   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 540   2004-12-09   
915-773 4   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 540   2004-12-09   
915-773 5   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 540   2004-12-09   
915-773 6   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 540   2004-12-09   
915-773 7   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 540   2004-12-09   
915-773 8   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 540   2004-12-09   
915-773 9   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 540   2004-12-09   
915-774 A ELPSTXSEDS0  9533 SOUTHWESTERN BELL 540      
915-775 A ELPSTXSEDS0  9533 SOUTHWESTERN BELL 540      
915-777 A ELPSTXMAX7Y  9558 INTRADO COMMUNICATIONS, LLC 540      
915-777 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 540   2013-04-04   
915-777 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 540   2013-04-25   
915-777 2   6529 T-MOBILE USA, INC. 540   2013-04-15   
915-777 3   903C ONVOY, LLC - TX 540   2013-03-25   
915-777 4   6529 T-MOBILE USA, INC. 540   2013-04-15   
915-777 5   6529 T-MOBILE USA, INC. 540   2013-04-15   
915-777 6   6529 T-MOBILE USA, INC. 540   2013-04-15   
915-777 7   6529 T-MOBILE USA, INC. 540   2013-04-15   
915-777 8   6529 T-MOBILE USA, INC. 540   2013-04-15   
915-777 9   6529 T-MOBILE USA, INC. 540   2013-04-15   
915-778 A ELPSTXSEDS0  9533 SOUTHWESTERN BELL 540      
915-779 A ELPSTXSEDS0  9533 SOUTHWESTERN BELL 540      
915-779 0   9533 SOUTHWESTERN BELL 540      
915-779 1   9533 SOUTHWESTERN BELL 540      
915-779 2   9533 SOUTHWESTERN BELL 540      
915-779 3   9533 SOUTHWESTERN BELL 540      
915-779 4   9533 SOUTHWESTERN BELL 540      
915-779 5   9533 SOUTHWESTERN BELL 540      
915-779 6   9533 SOUTHWESTERN BELL 540      
915-779 7   9533 SOUTHWESTERN BELL 540      
915-779 8   9533 SOUTHWESTERN BELL 540      
915-779 9   903C ONVOY, LLC - TX 540   2016-03-24   
915-780 A ELPSTXSERS1  9533 SOUTHWESTERN BELL 540      
915-780 0   9533 SOUTHWESTERN BELL 540      
915-780 1   9533 SOUTHWESTERN BELL 540      
915-780 2   9533 SOUTHWESTERN BELL 540      
915-780 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 540   2010-04-14   
915-780 4   9533 SOUTHWESTERN BELL 540      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.