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

<< 1 2 3 4 5 6 7

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
737-404 5 Kyle TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2019-10-15   
737-443 A Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
737-443 2 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2016-08-14   
737-443 3 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2016-08-14   
737-443 4 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2016-08-14   
737-444 2 Georgetown TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2014-09-14   
737-500 3 Bastrop TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2019-10-05   
737-529 8 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-05-30   
737-587 3 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2022-04-02   
737-587 4 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2022-03-11   
737-610 8 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2019-09-07   
737-701 5 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-11-02   
737-707 4 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2021-11-20   
737-762 5 Smithville TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2024-01-05   
737-766 4 Leander TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2021-11-16   
737-777 6 Leander TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-08-29   
737-800 9 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-05-30   
737-802 1 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-10-24   
737-802 8 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2016-05-31   
737-825 2 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2020-07-07   
737-825 3 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2020-08-16   
737-881 7 Bastrop TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2019-09-06   
737-931 0 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2017-05-14   
737-931 1 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2017-05-14   
737-990 3 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2018-07-14   
737-990 4 Austin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2018-07-14   

<< 1 2 3 4 5 6 7

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.