Check the phone’s Settings
Open Contacts and look for your own card
Dial a trusted contact and ask them to read it back
Check the SIM card packaging or account paperwork
Look in the Messages app for texts that show your number
Check your carrier account or mobile app
Call your carrier’s customer service
Use a phone lookup feature in the device settings
Check the About Phone or Device Information section
Look at the caller ID on another phone when you call it
