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: 670

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
210-670 A San Antonio TX SNANTXLADS0  9533 SOUTHWESTERN BELL 566      
210-670 0 San Antonio TX SNANTXLADS0  9533 SOUTHWESTERN BELL 566      
210-670 1 San Antonio TX SNANTXLADS0  9533 SOUTHWESTERN BELL 566      
210-670 2 San Antonio TX SNANTXLADS0  9533 SOUTHWESTERN BELL 566      
210-670 3 San Antonio TX SNANTXLADS0  9533 SOUTHWESTERN BELL 566      
210-670 4 San Antonio TX SNANTXLADS0  9533 SOUTHWESTERN BELL 566      
210-670 5 San Antonio TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2013-12-13   
210-670 6 San Antonio TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2014-08-14   
210-670 7 San Antonio TX   793K TWC IP ENABLED SERVICES, LLC 566   2006-10-20   
210-670 8 San Antonio TX SNANTXLADS0  9533 SOUTHWESTERN BELL 566      
210-670 9 San Antonio TX SNANTXLADS0  9533 SOUTHWESTERN BELL 566      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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