---
title: IMSI, MCC and MNC (data+)
description: The IMSI is used in mobile radio to uniquely identify the network subscriber. The first 5 digits are the MCC and the MNC, which are required in the configuration of some devices.
---

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# IMSI, MCC and MNC (data+)

## The IMSI is used in mobile radio to uniquely identify the network subscriber. The first 5 digits are the MCC and the MNC, which are required in the configuration of some devices.

Your data+ M2M SIM cards are so-called single IMSI cards. This means that a single IMSI is stored on the SIM card. The Mobile Country Code (MCC) is **270** by default, the Mobile Network Code (MNC) is **01**. The complete IMSI can be viewed in the portal in the device view.

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