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: 319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
210-239 A San Antonio TX SNANTXTSDS0  566      
210-239 4 San Antonio TX SNANTXTSDS0  566   2007-01-20   
210-529 A San Antonio TX SNANTXTSDS0  566      
210-529 3 San Antonio TX SNANTXTSDS0  566   2013-10-11   
210-529 9 San Antonio TX SNANTXTSDS0  566   2013-10-11   

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

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