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.
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NPA: 210 [Rate centres in NPA 210] [Dial plan for NPA 210]

Region: TX

OCN: 478J NUSO, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
210-759 5 San Antonio TX SNANTXCA89Z  566   2023-11-26   
210-759 6 San Antonio TX SNANTXCA89Z  566   2023-11-26   
210-898 A San Antonio TX SNANTXCA89Z  566      
210-898 1 San Antonio TX SNANTXCA89Z  566   2020-10-27   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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