How to check the phone SIM card number?

SIM card number refers to the 20-digit number (ICCID number) on this card.

It has a special meaning: the first 6 bits are network codes; The 7th digit is the service access number; The eighth bit is the function bit of SIM card, which is generally 0, and the prepaid SIM card is 3; The 9th and 10 are the province codes; 1 1 and 12 are year numbers; The bit 13 is the supplier code; Numbers 14 ~ 19 are user identification codes; The 20th bit is the parity bit.

You can try the following methods to check the card number of the local SIM card:

1, call the customer service of the telecom company to check your local telephone number;

2. What is the personal mobile phone system? If it is an Android system, you can enter the system information, and you can see your number and SIM card information.

3. Open the SIM card application of the mobile phone, where you can see your number.

First, install the SIM card that needs to query the phone number into the mobile phone, then find the setting application icon on the desktop, and then click to enter the mobile phone setting page.

2. After entering the settings page, find the dual card and mobile network options and click Enter.

3. In the dual card and mobile network page, find the SIM card information module, where you can see the mobile phone number information of the SIM card.

4. In the corresponding SIM card options, the system will automatically detect the mobile phone number of the SIM card and display it in the options, thus obtaining the number of the SIM card.