Not finding expected market code on Market Unlocker, you’ll have to configure a customized code on it. Here is a complete list of market code you can use.
A mobile network code (MNC) is used in combination with a mobile country code (MCC) (also known as a “MCC / MNC tuple”) to uniquely identify a mobile phone operator/carrier using the GSM/LTE, CDMA, iDEN, TETRA and UMTS public land mobile networks and some satellite mobile networks.
This app contains the complete list of mobile phone operators with country information. And it detects current phone operator as well.
* Collect all of mobile phone operators in the world based on wikimedia
* Search by country name or market code
* Detect current operator on phone