This article covers how to find the account number and PIN for most U.S. carriers. If your carrier isn't listed, contact them directly and ask for your number porting information.
Most common carriers
Less common carriers
Boost Mobile
Call them at 833-50-BOOST (833-502-6678) for account number requests. To find your Account PIN, follow this guide.Consumer Cellular
To find your Account Number, follow this guide. Then, contact Consumer Cellular and ask them to release the phone number.Hello Mobile
To find the Account Number, look on the upper right side of your Hello Mobile Dashboard. Your transfer PIN is the last 4-digits of your phone number.Mint Mobile
Dial 611 from your cellphone or call 213-372-7777 to request your Account Number and PIN.Tracfone
Your account number is the MEID or IMEI serial number on your phone, or the last 15 digits of your BYOP SIM card. Your PIN is typically the last four digits of your phone number or SIM ID. You may have to call them to release the phone number or if you're having trouble locating this information.
Other carriers
Contact your carrier directly and ask for your port-out PIN, or check their help center for instructions.