Viettel Tanzania Limited (Halotel) (commonly known as Halotel) is a mobile network operator in Tanzania assigned PLMN code 640-09 by the national telecommunications authority.

The MCC 640 identifies Tanzania, while MNC 09 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 Tanzania operators .