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: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
210-631 A San Antonio TX SNANTX91DS6  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-631 0 San Antonio TX SNANTX91DS6  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 1 San Antonio TX SNANTX91DS6  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 2 San Antonio TX SNANTX91DS6  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 3 San Antonio TX SNANTX91DS6  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 4 San Antonio TX SNANTX91DS6  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 5 San Antonio TX SNANTX91DS6  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 6 San Antonio TX SNANTX91DS6  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 7 San Antonio TX SNANTX91DS6  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 8 San Antonio TX SNANTX91DS6  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 9 San Antonio TX SNANTX91DS6  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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