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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
210-585 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-585 5 San Antonio TX 9533 SOUTHWESTERN BELL 566   2013-04-10   
210-731 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-732 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-733 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-734 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-735 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-736 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-736 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-736 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-736 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-736 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-736 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-736 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-736 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-736 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-736 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-737 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-737 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-737 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-737 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-737 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-737 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-737 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-737 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-738 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-738 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-738 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-738 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-738 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-738 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-738 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-738 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-738 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-785 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-785 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-785 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-785 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-785 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-785 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-785 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-785 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-785 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-785 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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