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: SNANTXCUDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
210-766 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-767 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-767 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-767 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-767 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-767 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-767 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-767 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-767 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-951 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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