How to Change Your Phone Number on Steam

A guide to changing your number via computer or phone

Co-authored by wikiHow Staff

Last Updated: May 25, 2022 Tested

Steam is a popular multi-player platform used to distribute games and related media online. This wikiHow explains how to change your phone number on either your computer or mobile phone.

Method 1

Method 1 of 2:

Changing Your Phone Number on Your Computer

1
Open Steam. The icon has a robotic arm on it.
- If you do not have the steam desktop application you can download it by following these steps:
- Open your web browser and navigate to https://store.steampowered.com/about/
- Click install Steam, located in blue at the middle of the screen.
2
Click your name on the top right of the screen. This will reveal a menu.

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3
Click on Account Details. This is the second option in the menu.
4
Click Manage your phone number. This is underneath contact details.
5
Click change phone number. This is located next to "New phone number?".
6
Select one of the authentication options.
- If you have access to your old phone number, you can select the first option via SMS. This will send a confirmation code to your old number.
- If you use Steam Guard Mobile Authenticator, you can use that as your authenticator.
- If none of these options work, you can select remove my old phone number at the bottom.

Method 2

Method 2 of 2:

Changing Your Phone Number on Your Mobile Phone

1
Open the Steam app. The icon has a robotic arm on it.
2
Enter your login information. Tap Sign in.
- The mobile application does not support account creation.
3
Tap the ☰ left corner. This will reveal the side menu.
4
Tap Account Details at the bottom of the menu. This option is under Support.
5
Scroll down and tap Manage your phone number.
- If you do not have a phone number, add one by clicking Add a phone number.
6
Tap change phone number. This is located next to "New phone number?".
7
Change your phone number by selecting one of the verification methods.
- If you have access to your old phone number, select Yes, I have the old phone number.
- If you do not have access to your old phone number, select Remove my old phone number.