Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 210 [Rate centres in NPA 210] [Dial plan for NPA 210]

Region: TX

OCN: 7421 AT&T - LOCAL

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
210-200 A San Antonio TX SNANTXCADS5  566      
210-200 0 San Antonio TX SNANTXCADS5  566      
210-200 1 San Antonio TX SNANTXCADS5  566      
210-200 2 San Antonio TX SNANTXCADS5  566      
210-200 3 San Antonio TX SNANTXCADS5  566      
210-200 4 San Antonio TX SNANTXCADS5  566      
210-200 5 San Antonio TX SNANTXCADS5  566      
210-331 A San Antonio TX SNANTXCADS5  566      
210-331 2 San Antonio TX SNANTXCADS5  566      
210-331 5 San Antonio TX SNANTXCADS5  566      
210-331 9 San Antonio TX SNANTXCADS5  566      
210-332 A San Antonio TX SNANTXCADS5  566      
210-332 1 San Antonio TX SNANTXCADS5  566      
210-332 4 San Antonio TX SNANTXCADS5  566      
210-332 6 San Antonio TX SNANTXCADS5  566      
210-625 A San Antonio TX SGINTXAADS0  566      
210-625 9 San Antonio TX SGINTXAADS0  566      
210-991 A San Antonio TX SNANTXCADS5  566      

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

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