Important: The contents of this article only apply to LINE accounts created with LINE versions earlier than 13.11.0 if you're not using LINE in Hong Kong, Japan, Korea, Taiwan, or Thailand.
To change your phone number registered to LINE, follow the steps below.
Note: If you want to change your phone number to one from a different country, refer to Changing to/registering a number from a different country.
Be advised
With LINE, you can only register/verify one LINE account with one mobile phone number. Please be aware that registering a phone number that was already registered to another LINE account may make the original LINE account associated with that phone number inaccessible.
Note: You cannot change your phone number for 24 hours after transferring your LINE account for security reasons. If you want to change your phone number after transferring your LINE account, please try doing so after 24 hours.
If you can receive text messages
1. Tap the Home tab > 
> Account.
Note: Tap here to go to the Account screen from your smartphone.
2. Tap Phone number.
3. Enter your phone number and tap Next.
4. Enter the verification code you received via text message.
If you can't receive text messages
If you can't receive text messages, you can change your phone number with the Call me instead option.
Note: The Call me instead option is only available in some countries.
To change your phone number:
1. Tap the Home tab > > Account.
Note: Tap here to go to the Account screen from your smartphone.
2. Tap Phone number.
3. Enter your phone number and tap Next.
4. Tap Call me instead at the bottom of the verification code input screen.
5. Tap Continue.
6. After receiving the automated phone call, enter the verification code you were given.