Each subscription is assigned a unique IMSI. The IMSI is an E. 164 number (basically a string of digits like a phone number) with a maximum length of 15 digits. The IMSI is constructed by an MCC (Mobile Country Code), an MNC (Mobile Network Code), and an MSIN (Mobile Subscriber Identity) (Figure 6.12)..
Similarly, what is IMSI number?
An international mobile subscriber identity (IMSI) is a unique number, usually fifteen digits, associated with Global System for Mobile Communications (GSM) and Universal Mobile Telecommunications System (UMTS) network mobile phone users. The IMSI is a unique number identifying a GSM subscriber.
Additionally, is IMSI the SIM number? The ICCID (Integrated Circuit Card ID) is an 18- or 19-digit identification number used to identify the SIM itself. The IMSI (International Mobile Subscriber Identity) is a code used by the phone company to identify the SIM on the mobile network. It is stored as a 64 bit field and is sent by the phone to the network.
Keeping this in view, how do I read my IMSI number?
On some Android phones, you can also access your IMSI through the Settings menu. Tap the "About" entry in the menu, then tap "Status" or "Phone Identity." The IMSI will be listed under IMSI if it's available through this menu. You can also get the IMSI on an Android phone by installing a specialized app.
Is IMSI number unique?
IMSI is the subscriber identifier and is associated with the SIM, not the phone. If you move the SIM from one phone to another you are moving the IMSI also, so no, it is not unique per phone if this was what you were looking for.
Related Question Answers
What is the use of IMSI number?
IMSI. An International Mobile Subscriber Identity (IMSI) is a unique number associated with all Global System for Mobile Communications (GSM) and Universal Mobile Telecommunications System (UMTS) network mobile phone users used for identifying a GSM subscriber. Each IMSI number has two parts.What is IMSI why it is required?
IMSI (International Mobile Subscriber identity) is the information that is used for identification of a mobile phone end-user on a network and is uniquely associated with a given cell phone The IMSI code is stored as a 64 bit number or field, and is sent by the mobile phone to the cellular network.What is IMSI number used for?
An International Mobile Subscriber Identity (IMSI) is a unique number associated with all Global System for Mobile Communications (GSM) and Universal Mobile Telecommunications System (UMTS) network mobile phone users used for identifying a GSM subscriber. Each IMSI number has two parts.How does IMSI work?
What are IMSI-catchers and how do they work? IMSI-catchers are devices that act like fake cell towers, which trick a target's device to connect to them and then relay the communications to an actual cell tower of the network carrier. – go through the IMSI-catcher and can be collected and read or listened on.Is IMSI same as SIM number?
The SIM is used to identify the subscriber with a different unique number, the International Mobile Subscriber Identity (IMSI). Your International Mobile Station Equipment Identity (IMEI) number is different from your SSN, ICCID or IMSI.Can I change my IMSI?
IMSI can not be changed, it is associated with SIM card and hence uniquely identifies the user and which country he belongs, also which operator is serving him. An IMSI can changed or make active in case of multiple IMSI solution. A roaming sim card may have multiple IMSIs configured in it.What is full form of SIM?
Subscriber Identification Module
What is IMSI in iPhone?
IMSI code is a 15-digit number [note that IMEI also has 15 digits, but it is a different number so don't confuse them] where the first five digits can tell you what carrier and country your handset is locked to. You must know your original country and mobile operator in order to unlock iPhone by IMEI code.Are IMSI catchers legal?
IMSI-catcher. IMSI-catchers are used in a number of countries by law enforcement and intelligence agencies, but their use has raised significant civil liberty and privacy concerns and is strictly regulated in some countries such as under the German Strafprozessordnung (StPO / Code of Criminal Procedure).What is dual IMSI?
A dual IMSI SIM is a single SIM card but with two mobile telephone numbers. The special version of GeoSIM will have a UK and USA mobile number assigned to it. Incoming calls will be free in the US and outgoing calls will be significantly cheaper.What is IMSI swap?
An IMSI (International Mobile Subscriber Identity) is a globally unique number used to authenticate the device on a cellular network. Users can switch between different network infrastructures instantly, allowing the use of several profiles within the same data channel.Whats does IMEI mean?
International Mobile Equipment Identity
What is TMSI?
The Temporary Mobile Subscriber Identity (TMSI) is a temporary identification number that is used in the GSM network instead of the IMSI to ensure the privacy of the mobile subscriber.What is an IMSI and IMEI?
IMSI = International Mobile Subscriber Identity. IMEI is short for International Mobile Equipment Identity and is a unique number given to every single mobile phone, typically found behind the battery.What is a mobile number?
The mobile identification number (MIN) or mobile subscription identification number (MSIN) refers to the 10-digit unique number that a wireless carrier uses to identify a mobile phone, which is the last part of the international mobile subscriber identity (IMSI). The MIN is used to identify a mobile station.What is SIM number?
Your ICCID is your SIM card's 19-digit identification number. You'll need to be able to locate this number for activating your SIM, troubleshooting, and topping up. The number is printed on the back of your SIM, but you can also find it in your phone's settings.What is the difference between IMSI and Msisdn?
IMSI is used to identify a subscriber by the operator. But MSISDN is the number which is used for dialing. So when you call your friend/a mobile, you call the MSISDN number of the mobile, not the IMSI. In fact the IMSI is burned in the SIM card, which will be used while authenticating with network.Is Iccid same as IMEI?
IMEI (International Mobile Equipment Identity) and ICCID (Integrated Circuit Card Identifier) are independent from each other. IMEI identifies the physical phone set. ICCID identifies the account from which your cellular services are charged. ICCID is also called SIM (Subscriber Identity Module) number.What is the Iccid number on a cell phone?
ICCID stands for Integrated Circuit Card Identifier. If IMEI number is used to identify your cell phone, the function of ICCID is to identify your SIM card internationally. An ICCID number will consist of 19 to 20 characters. It is basically a unique serial number that represents the SIM that a user has subscribed. 
