Companhia Santomese de Telecomunicações (commonly known as CSTmovel) is a mobile network operator in Sao Tome and Principe assigned PLMN code 626-01 by the national telecommunications authority.

The MCC 626 identifies Sao Tome and Principe, while MNC 01 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 Sao Tome and Principe operators .