Tismi B.V. (commonly known as Tismi B.V.) is a mobile network operator in Netherlands assigned PLMN code 204-29 by the national telecommunications authority.

The MCC 204 identifies Netherlands, while MNC 29 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 Netherlands operators .