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]

NXX: 474

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
210-474 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-474 0 San Antonio TX   793K TWC IP ENABLED SERVICES, LLC 566   2007-09-10   
210-474 1 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-474 2 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-474 3 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-474 4 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-474 5 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-474 6 San Antonio TX SNANTXCA58Z  516C AT&T CORP. 566   2008-12-29   
210-474 7 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-474 8 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-474 9 San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      

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

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