A to Z Vaal Industrial Supplies Pty Ltd (commonly known as A to Z Vaal Industrial Supplies Pty Ltd) is a mobile network operator in South Africa assigned PLMN code 655-27 by the national telecommunications authority.

The MCC 655 identifies South Africa, while MNC 27 uniquely identifies this operator within the country. Together they form the PLMN (Public Land Mobile Network) identifier used by mobile devices for network selection, SIM card identification, and international roaming.

This assignment was last reported in ITU Operational Bulletin #1280 (Nov. 15, 2023). Search all MCC/MNC codes or view all South Africa operators .