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: AUSTTXHOXDX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
737-285 A Austin TX 553J WHITESKY COMMUNICATIONS, LLC 558      
737-285 1 Austin TX 553J WHITESKY COMMUNICATIONS, LLC 558   2021-03-11   
737-286 A Kyle TX 553J WHITESKY COMMUNICATIONS, LLC 558      
737-286 1 Kyle TX 553J WHITESKY COMMUNICATIONS, LLC 558   2021-06-13   
737-332 9 Burnet TX 553J WHITESKY COMMUNICATIONS, LLC 558   2021-05-09   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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