Luxembourg Online S.A. (commonly known as Luxembourg Online S.A.) is a mobile network operator in Luxembourg assigned PLMN code 270-05 by the national telecommunications authority.

The MCC 270 identifies Luxembourg, 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 Luxembourg operators .