The IMSI conforms to the ITU E.212 numbering standard. IMSIs can sometimes be mistaken for the ICCID (E.118), which is the identifier for the physical SIM card itself (or now the virtual SIM card if it is an eSIM). The IMSI lives as part of the profile (or one of several profiles if the SIM and operator support multi-IMSI SIMs) on the SIM/ICCID.

Each IMSI consists of three parts: The first part is called Mobile Subscriber Identification Number, and it gets no more than 10 decimal places. It identifies the subscriber in his or her mobile network. The second part is called Mobile Country Code. It gets 3 decimal places and identifies the country of mobile device owner.

May 10, 2022 · International Mobile Subscriber Identity (IMSI) is a unique 15-digit number that identifies every user in a Global System for Mobile communication (GSM) and Universal Mobile Telecommunication system (UMTS) network. The IMSI is divided into two parts.

Jan 2, 2025 · The IMSI is comprised of three main components that work together to uniquely identify a subscriber within the mobile network: Mobile Country Code (MCC): This is a three-digit code that identifies the subscriber's home country.

Mar 18, 2025 · Typically including 15 digits, the IMSI is stored on a SIM card and used to track user activity within a cellular network. Its structure is divided into three parts: the mobile country code (MCC), the mobile network code (MNC), and the …

Feb 15, 2012 · IMSI is compose of three parts, as shown in Fig. 1. Fig. 1. IMSI structure. Mobile Country Code (MCC) consisting of three digits. The MSS identifies uniquely the country of domicile of mobile subscriber. Mobile Network Code (MNC) consisting of two or three digits for GSM/UMTS applications.

IMSI stands for International Mobile Subscriber Identity and is made up of three components: the MCC, MNC, and MSIN. The MCC (Mobile Country Code) is a three-digit code that designates which country the mobile subscriber is located in.

Jan 3, 2024 · The International Mobile Subscriber Identity (IMSI) is a unique identifier crucial for mobile networks to authenticate and manage subscribers. IMSI is composed of three distinct components that together form a comprehensive breakdown of the user’s identity.

Apr 22, 2023 · IMSI plays a critical role in the secure communication between a mobile phone and a mobile network. The IMSI is composed of three parts: MCC, MNC, and MSIN. MCC (Mobile Country Code) is a three-digit number that identifies the country where the mobile network operator is registered.

Mar 18, 2024 · How is the International Mobile Subscriber Identity code generated? Each IMSI number has three parts. The initial part is the mobile country code (MCC), followed by the mobile network code (MNC), and the third part is the mobile subscription identification number (MSIN).