A phone number is a unique identifier assigned to a mobile device by a telecommunications network operator. The number enables people to call. Text or send messages to the device. The SIM card on the other hand is a small card that is inserted. Into a mobile device to store data that identifies the subscriber to the network operator. The SIM card contains a unique number that is used to identify the subscriber on the network.
When a mobile device is first activated, the network operator assigns it a phone number, which is linked to the SIM card. The phone number is stored on the network’s database, and when someone tries to call or text the device, the network routes the message to the SIM card using the phone number. The SIM card then forwards the message to the mobile device.
If a SIM card is removed from
a mobile device and replaced with another SIM card. The phone number associated with the device remains the same. The phone number is not stored on the SIM card but on Nigeria Mobile Number List the network’s database. So, when the new SIM card is inserted, the network recognizes the device by its unique identifier, which is linked to the phone number assigned to the device. As a result, the phone number remains the same.
However there are situations
When a phone number may change when a SIM card is replaced. For example, if a subscriber switches to a new network operator, they may be assigned a new phone number. In this case, the new phone number is linked to the new SIM card provided by the new network operator. Also if a subscriber India Lead loses their SIM card or it becomes damaged. They may need to get a new SIM card with a new phone number.
In conclusion, a phone number is a unique identifier assigned to a mobile device by a network operator, and it is not stored on the SIM card. Therefore, when a SIM card is replaced, the phone number associated with the device remains the same, except in cases where a new phone number is assigned by the network operator.