Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

NXX: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-612 A Austin TX AUSTTXGR75Z  616J LEAP TELECOM, LLC 558   2024-12-28   
512-612 0 Austin TX   616J LEAP TELECOM, LLC 558   2024-12-28   
512-612 1 Austin TX   903C ONVOY, LLC - TX 558   2024-12-30   
512-612 2 Austin TX   903C ONVOY, LLC - TX 558   2024-12-30   
512-612 3 Austin TX   903C ONVOY, LLC - TX 558   2024-12-30   
512-612 4 Austin TX   903C ONVOY, LLC - TX 558   2024-12-30   
512-612 5 Austin TX   903C ONVOY, LLC - TX 558   2024-12-30   
512-612 6 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-01-11   
512-612 7 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-01-11   
512-612 8 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-01-11   
512-612 9 Austin TX   903C ONVOY, LLC - TX 558   2024-12-30   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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