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: AUSTTXGR09Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
737-717 9 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2016-05-02   
737-747 6 Burnet TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2018-11-09   
737-757 3 Leander TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2017-08-24   
737-770 6 Buda TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-06-01   
737-800 2 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-03-31   
737-800 3 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-03-31   
737-800 4 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-03-31   
737-800 5 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-03-31   
737-800 6 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-03-31   
737-800 7 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-03-31   
737-808 9 Georgetown TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2018-02-01   
737-867 1 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2016-12-26   
737-867 2 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2016-12-26   
737-867 3 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2016-12-26   
737-867 4 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2016-12-26   
737-910 6 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2021-03-12   
737-931 8 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2016-12-27   
737-931 9 Austin TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2016-12-27   
737-999 6 Buda TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2014-05-26   

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

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