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: SNANTXBADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
210-282 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-443 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-458 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-478 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-478 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-478 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-478 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-558 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-561 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-641 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-641 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-641 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-641 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-641 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-641 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-641 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-641 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-641 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-650 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-690 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-691 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-691 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-691 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-691 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-691 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-691 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-691 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-691 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-691 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-691 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-694 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-696 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-696 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-696 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-696 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-696 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-696 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-696 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-696 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-696 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-696 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-697 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-699 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-699 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-699 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-699 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-699 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-699 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-699 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-699 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-699 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-751 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-751 0 San Antonio TX 9533 SOUTHWESTERN BELL 566   2014-07-09   
210-751 1 San Antonio TX 9533 SOUTHWESTERN BELL 566   2014-07-09   
210-751 2 San Antonio TX 9533 SOUTHWESTERN BELL 566   2014-07-09   
210-751 3 San Antonio TX 9533 SOUTHWESTERN BELL 566   2014-07-09   
210-751 4 San Antonio TX 9533 SOUTHWESTERN BELL 566   2014-07-09   
210-751 5 San Antonio TX 9533 SOUTHWESTERN BELL 566   2014-07-09   
210-751 6 San Antonio TX 9533 SOUTHWESTERN BELL 566   2014-07-09   
210-751 7 San Antonio TX 9533 SOUTHWESTERN BELL 566   2014-07-09   
210-751 8 San Antonio TX 9533 SOUTHWESTERN BELL 566   2014-07-09   
210-751 9 San Antonio TX 9533 SOUTHWESTERN BELL 566   2014-07-09   
210-877 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-877 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-877 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-877 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-877 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-877 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-877 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-877 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-877 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-877 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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