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: SNANTXGEDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
210-431 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-432 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-432 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-432 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-432 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-432 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-432 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-432 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-432 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-432 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-432 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-433 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-434 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-435 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-435 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-435 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-435 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-435 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-435 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-435 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-435 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-435 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-436 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-436 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-436 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-436 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-436 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-436 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-436 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-437 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-437 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-437 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-437 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-437 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-437 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-438 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-438 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-438 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-438 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-438 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-438 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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