What's My Phone Number? How to Find It on This Phone

Your own phone number is stored in your phone's settings. On an iPhone, open Settings, tap Phone, and read the entry labelled My Number. On most Android phones, open Settings, tap About phone, and look for the phone number or the SIM status entry.

If the field is blank or shows something that looks wrong, that is a known situation with a straightforward explanation, covered further down. It does not mean your number has been lost.

How do you find your phone number on an iPhone?

1. Open Settings.
2. Tap Phone.
3. Read the number shown next to My Number at the top of that screen.

There is a second place to look on an iPhone. Open the Contacts app and check the card at the very top, which represents you, since your number is usually listed there. If the two disagree, the entry under Settings is the one the network uses.

How do you find your phone number on an Android phone?

Android varies between manufacturers, so treat the following as the pattern rather than exact wording. Look in Settings for About phone, then for an entry such as Phone number, SIM status, or SIM card status.

1. Open Settings and use the search box at the top, typing "phone number". This works regardless of which menu the maker chose.
2. If nothing is found, go to Settings, then About phone.
3. Open SIM status or SIM card status.
4. Read the entry labelled Phone number or My phone number.

Some Android phones also show the number in the Phone app under settings, and many carriers show it at the top of their own app once you are signed in.

Why is the phone number field blank or wrong?

This confuses people, and the reason is technical rather than a fault. The number displayed in settings is read from the SIM card, and it is written there by the carrier when the card is issued. On many prepaid and replacement SIM cards, that field is simply left empty, so the phone has nothing to display even though the line works perfectly.

A number that looks wrong usually comes from a recycled or swapped SIM that still carries an older stored value. In both cases, the network knows your real number regardless of what the settings screen shows, and calls and texts arrive normally.

How do you find your number when settings show nothing?

• Text a friend and ask them to read back the number that appeared. This is the fastest reliable method and it always works on a line with service.
• Call someone whose phone displays incoming numbers, and read it from their screen.
• Open your carrier's app and sign in. The account view lists every line on the account.
• Check your most recent bill or the welcome email from when the line was activated.
• Look at another person's phone if they already have you saved as a contact.
• Check the packaging or the plastic card the SIM came in, since prepaid numbers are often printed there.

How do you find the right number on a dual SIM or eSIM phone?

Dual SIM means the phone holds two lines at once, either two physical SIM cards or a physical one plus an eSIM, which is a SIM stored in software rather than on a removable card. Each line has its own number, and asking "what is my number" has two answers.

On an iPhone, Settings then Phone shows entries for each active line, usually with the labels you assigned, such as Personal and Work. On Android, the SIM status screen lists the slots separately.

Check which line is set as the default for calls and messages, because that determines the number other people see when you contact them. If you have been giving out one number and people keep replying to another, this setting is why.

How do you check your number on a phone with no service?

A phone with no signal still shows whatever is stored on the SIM, so start with the same settings screens. If they are empty, the connection is not the problem, the SIM's stored field is.

Sign in to your carrier's app or website over Wi-Fi from any device, since the account holds every number on the plan. If the account itself is not accessible, the bill, the confirmation email from activation, or the SIM packaging will have it. On a phone that has been disconnected for a long time, be aware that a number can be reassigned to someone else after a period of inactivity, so an old stored number may no longer be yours.

What should you do once you have found your number?

1. Save it in your own contact card so it is one tap away next time.
2. Check that the number your carrier's app shows matches what your settings display, and trust the carrier's version if they differ.
3. Write it somewhere that does not depend on the phone, such as a note in your email account.
4. Add it to the accounts that use it for recovery, but confirm each one, since an out-of-date recovery number is how people get locked out.
5. Set the correct default line for calls and messages if the phone has two.

One habit prevents most of this trouble. When you get a new line, take a photo of the SIM packaging or the activation confirmation on the day it is set up. That single image answers this question later without any menu hunting at all.