You can apply the funds to your account by dialing *888* followed by the Refill PIN and the # sign (e.g., *888*123456789123*# ). 4. SIM PIN
When you first register at the AT&T Prepaid login page , your temporary password is often the last four digits of your phone number. You should immediately change this to a unique 4-digit PIN.
These PINs are usually valid for 4 days for personal accounts and must be provided to your new carrier to authorize the move. 3. Refill PIN (Payment PIN)
Managing your AT&T Prepaid account (formerly GoPhone) often requires navigating different types of PINs, each serving a distinct purpose for security, refills, or moving your service. 1. Account Security PIN (Passcode)
If you decide to switch your service to another carrier and want to keep your number, you must request a specific .
For an extra layer of physical security, you can set a SIM card PIN to prevent your SIM from being used in another device without authorization. Make an AT&T Prepaid Payment
This PIN is found on physical AT&T Prepaid refill cards purchased at retail stores.
This is a 4-digit number created when you first set up your account. It is essential for verifying your identity when you call AT&T customer service or visit a retail store.
