Advanced Wireless Network Company Limited (commonly known as AIS) is a mobile network operator in Thailand assigned PLMN code 520-03 by the national telecommunications authority.

The MCC 520 identifies Thailand, while MNC 03 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 Thailand operators .