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: SNANTXFRDS0

Remotes:

Switch Switch name Switch type
MARNTXMRRS0  MARION  RSC 
SNANTXLSRS1  SAN ANTONIO LEON SPRINGS  RSS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
210-564 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-564 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-564 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-564 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-564 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-564 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-564 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-590 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-599 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-619 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-619 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-619 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-637 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-637 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-637 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-637 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-637 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-637 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-637 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-637 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-637 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-637 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-646 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-646 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-646 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-646 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-646 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-646 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-646 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-646 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-646 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-650 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-650 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-650 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-650 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-650 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-650 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-650 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-650 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-650 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-651 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-651 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-651 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-651 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-651 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-651 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-651 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-651 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-651 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-651 9 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-653 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-654 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-655 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-656 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-657 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-657 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-657 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-657 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-657 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-657 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-657 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-657 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-657 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-657 8 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-871 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-871 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-871 3 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-871 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-871 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-871 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-871 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-946 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-946 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-946 5 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-946 6 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-967 A San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-967 0 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-967 1 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-967 2 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-967 4 San Antonio TX 9533 SOUTHWESTERN BELL 566      
210-967 7 San Antonio TX 9533 SOUTHWESTERN BELL 566      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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