You can save "trusted devices" so you don't have to enter a code every time you log in from your own computer. user safety guide
Is Facebook trying to send the code to your or your email address ?
The might be annoying, but it is the single most effective tool against account takeover. In a world where passwords are leaked daily via data breaches, that rotating six-digit number ensures that even if your password is on the dark web, your vacation photos and private messages remain safe.
Verifying that you own the email or phone number associated with the account. facebook six digit code
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Update your phone number and primary email immediately whenever you change them.
Attempt to log in from a laptop, tablet, or browser that you have used successfully in the past. Facebook often bypasses the 2FA requirement on recognized, trusted devices. Best Practices for Account Security You can save "trusted devices" so you don't
Understanding the Facebook Six-Digit Code: Security, Login Issues, and Fixes
For authenticator apps: 30 seconds. For SMS: usually 5-10 minutes, but it expires after the first use.
A second layer of security required when logging in from an unrecognized device or browser. In a world where passwords are leaked daily
A hacker takes over your friend's account and messages you: "Hey, I'm trying to get into my Facebook but I accidentally sent the 6-digit code to you. Can you send it to me?" This is a lie. The hacker is trying to reset your password and needs your 2FA code to complete the login.
Roaming networks often block automated short-code SMS messages.
Print these codes out or store them securely in a password manager.