Check the SIM card packaging or carrier documents
Dial your carrier’s USSD code to display your number
Call or text another phone and see the number that appears
Check your phone’s Settings under SIM or About Phone
Open your carrier’s mobile app
Log in to your carrier’s website or account
Contact your carrier’s customer support
Ask a friend or family member to read the number from their caller ID
Check saved contacts for a contact named My Number or Own Number