How to Check SIM Card’s Phone Number

Because it’s rare to have to text or call your own cell phone, remembering your own number isn’t very important to most people, especially postpaid users, and doesn’t need to be given out. your contact information to renew the service. However, remembering your cell phone number is just as important as knowing your name. You may even suddenly have to give out your contact information to someone else without a business card. If you don’t know or forget your own contact information, you can check the phone number from your SIM card (mobile subscriber identity module).

Table of Contents

Ask the carrier

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Take the SIM card to the store where you bought it. If you find an old SIM card but don’t have a phone to check, take the card to a SIM card store of the same carrier. The staff will be able to locate the phone number for you.

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Call your network operator. If you have a working phone but don’t want to use it to activate your SIM card, call your carrier’s hotline. Almost all SIM cards are printed with a serial number. Read the number aloud to the operator and ask for the phone number associated with the SIM card.

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Understanding new SIM cards. Many carriers do not pre-assign phone numbers until the SIM is activated. When you buy a brand new phone SIM, the SIM card may not have a phone number yet. When you insert the SIM into your phone and activate it, you will be assigned a number.

Use a SIM card on any phone

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Use your carrier code. A few carriers have a special code so you can dial or text and view phone number information:

Vinaphone network customers can dial *110# and then press the call key or OK.
Viettel network customers can send text messages with the syntax TTTB to 1414 .
Mobifone network customers can dial *555# and then press the call key or OK.
Other carriers may or may not support this feature. You can search online for “check phone number” and carrier name. ^{[1] X Research Sources}^{[2] X Research Sources}

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Call the operator. Some SIM cards don’t show the phone number in the settings no matter which phone you put it in. In this case, you can call the SIM card provider’s switchboard.

If you are calling by phone with a SIM card that needs to be known, the operator can immediately look up the phone number. If not, you should hold the SIM card in your hand to read the serial number on the card aloud to them.

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Send a message or call another number. Use the SIM card for which you want to know the number. Any phone that displays caller information will identify the phone number of the SIM card you’re calling from, unless you’re using a private number.

Iphone

Use the phone settings app (Phone Settings)

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Open “Settings”. Tap the gear-shaped app icon located on the Home screen to open the device settings screen.

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Tap “Phone”. Select “Phone” from the list of options of the Settings menu.

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Look at the “My Number” section. This shows the phone number of the SIM card that is in the phone.

On the Contacts List

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Open the contact list. Tap the green phone icon located in the dock application, the bottom row of the screen, or anywhere on the Home screen to open the contact list.

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Swipe down to go to the top of the contact list. Drag to the top of the list, place your finger above the first contact, and swipe down. Your phone’s contact information will appear, including the current SIM card’s phone number. ^{[3] X Research Sources}

Connect with iTunes

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Open iTunes on your computer. This method works on both Macbooks and Windows computers. ^{[4] X Research Sources}

Warning: if you’ve never connected your iPhone to a computer, proceed with caution. Just one mistake in the process can erase the music in your phone.

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Connect iPhone to computer. Every iPhone comes with a USB cable. Plug one end of the cable into the charging port of your phone, the other end into the USB port on your computer.

This also works for wireless synchronization.

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Sign in to the iTunes Store if asked. Some users may receive a pop-up message saying “Sign in to the iTunes Store”. If you see this message, enter the Apple ID account you use on your phone.

Skip this step if the message does not appear.

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Click “Cancel” if asked about syncing. Some users will see a message asking if they want to erase and sync their phone. If asked, click “Cancel”. Syncing on someone else’s computer may erase all the music in your phone.

Skip this step if the message does not appear.

Android devices

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Go to the Settings app. Tap the gear icon located in the apps on the home screen to open the device’s settings panel.

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Tap About Device or About Phone. Select “About Device” or “About Phone” from the task list that appears in the Settings menu. You may have to scroll down to find it.

On LG G4 phones, you need to tap on the “General” tab first, then select “About Phone”. ^{[6] X Research Sources}

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Tap Status or Phone Identity. Depending on the device, either option will lead to your phone number. ^{[7] X Research Sources}

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See phone number. Scroll down in the Status screen to find the item “My phone number”, you will see the phone number of the SIM card in the phone.

If your phone number is not found, look for “SIM Status”. Tap that and see the phone number in the last submenu. ^{[8] X Research Sources}^{[9] X Research Sources}

Windows Phone

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Go to the contact list. Tap the “Phone” entry in the home screen of your Windows phone to open the contacts list.

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See other options. Click and the ellipsis icon at the bottom right of the screen to explore additional options.

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Go to Settings. Select the “Settings” app from within the options displayed to open the contact list settings.

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See your number. Swipe along the screen and you’ll see the SIM card’s phone number in the data area below “My phone number”.

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Done with a different menu layout. Some Windows mobile devices have a slightly different menu organization:

For LG Optimus Quantum: Menu → Settings → Applications → Phone → Look at “My Phone Number” ^{[10] X Research Source}

Blackberry phone

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See more apps. Swipe left on the screen to show more apps on your Blackberry phone.

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Go to the Settings app. Click the gear icon from within the application screen to open the system settings screen (System Settings).

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Go to the Category section under “About. ” Select “About” from within the System Settings screen and click “Category” to open a drop-down list.

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See phone number. Click on “SIM Card” from the drop-down list, the mobile number of the SIM card will appear on the screen.

iPad

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Click “Settings” with the gray gear icon.

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Tap “About,” which is usually near the top of the list.

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Find the number of the SIM card. This information may be labeled “Cellular Data Number”. ^{[11] X Research Source}

iPad is not designed to make calls. The device only uses the SIM card to download data.

Advice

The above methods only apply to standard GSM (Global System for Mobile Communications) phones or devices that use SIM cards to operate.
If you have a CDMA (Code Division Multiple Access) phone or a SIM-free device, you’ll need to call your service provider to find out how to get a phone number.

Warning

Some carriers will automatically cancel service if the SIM card is not used for a certain period of time. If you can’t activate an old SIM card it could be because it’s no longer usable.

Steps