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.
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Switch: AUSTTXGR62Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
737-313 A Austin TX 490J DISH WIRELESS, LLC 558      
737-315 A San Marcos TX 490J DISH WIRELESS, LLC 558      
737-360 A Jarrell TX 490J DISH WIRELESS, LLC 558      
737-384 A Austin TX 490J DISH WIRELESS, LLC 558   2024-06-06   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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