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: AUSTTXUH5MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-213 A Lockhart TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-265 A Burnet TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-270 A Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-271 A Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-351 A Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-500 A Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-553 A Burnet TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-561 A Milano TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-562 A Lometa TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-595 A Taylor TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-640 A Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-686 A Georgetown TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-772 A Bastrop TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-788 A Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-792 A Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-812 A Milano TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-842 A Wimberley PPCP TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-872 A Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-900 A Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
737-202 A Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
737-259 A Hutto TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
737-266 A San Marcos TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
737-443 A Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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