Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: AUSTTXGR03Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
737-910 4 Austin TX 903C ONVOY, LLC - TX 558   2021-03-12   
737-910 5 Austin TX 903C ONVOY, LLC - TX 558   2021-03-12   
737-910 7 Austin TX 903C ONVOY, LLC - TX 558   2021-03-12   
737-910 8 Austin TX 903C ONVOY, LLC - TX 558   2021-03-12   
737-910 9 Austin TX 903C ONVOY, LLC - TX 558   2021-02-07   
737-932 A Austin TX 903C ONVOY, LLC - TX 558      
737-932 6 Austin TX 903C ONVOY, LLC - TX 558   2013-07-02   
737-932 7 Austin TX 903C ONVOY, LLC - TX 558   2013-07-02   
737-932 8 Austin TX 903C ONVOY, LLC - TX 558   2013-07-01   
737-946 6 Adamsville TX 903C ONVOY, LLC - TX 558   2020-11-22   
737-946 7 Adamsville TX 903C ONVOY, LLC - TX 558   2020-11-22   
737-946 9 Adamsville TX 903C ONVOY, LLC - TX 558   2021-08-15   
737-973 3 Briggs TX 903C ONVOY, LLC - TX 558   2015-10-05   
737-973 4 Briggs TX 903C ONVOY, LLC - TX 558   2020-04-04   
737-973 5 Briggs TX 903C ONVOY, LLC - TX 558   2020-04-04   
737-973 7 Briggs TX 903C ONVOY, LLC - TX 558   2015-10-05   
737-975 A Austin TX 903C ONVOY, LLC - TX 558   2024-12-05   
737-975 0 Austin TX 903C ONVOY, LLC - TX 558   2024-12-05   
737-977 6 Austin TX 903C ONVOY, LLC - TX 558   2021-03-12   
737-977 8 Austin TX 903C ONVOY, LLC - TX 558   2021-03-12   
737-980 3 Coupland TX 903C ONVOY, LLC - TX 558   2020-08-15   
737-980 4 Coupland TX 903C ONVOY, LLC - TX 558   2020-08-15   
737-980 5 Coupland TX 903C ONVOY, LLC - TX 558   2020-08-15   
737-983 0 Lockhart TX 903C ONVOY, LLC - TX 558   2024-12-28   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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