Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SNANTX91DS1

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
210-918 1 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 2 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 3 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 4 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 5 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 6 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 7 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 8 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 9 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-925 A San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-977 2 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-977 3 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-977 4 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-977 5 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-977 6 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
830-221 4 New Braunfels TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2005-12-16   
830-515 1 New Braunfels TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2003-06-22   
830-632 3 New Braunfels EMS TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2007-08-17   

<< 1 2

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.