Government use is a mobile network operator in Hong Kong, China assigned PLMN code 454-391 by the national telecommunications authority.

The MCC 454 identifies Hong Kong, China, while MNC 391 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 #1309 (Feb. 1, 2025). Search all MCC/MNC codes or view all Hong Kong, China operators .