Orange, UMTS (commonly known as Orange) is a mobile network operator in Slovakia assigned PLMN code 231-05 by the national telecommunications authority.

The MCC 231 identifies Slovakia, while MNC 05 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 Slovakia operators .