While logged into Gmail, go to . Google will generate ten 8-digit codes. Print these out and store them in a wallet or safe. These codes work once each as a replacement for your 6-digit SMS code.
At its core, the 6 digit verification code is a form of or Two-Step Verification (2SV) . When Google detects a login attempt from an unrecognized device, IP address, or browser, it does not grant access based on the password alone. Instead, it generates a time-sensitive, one-time passcode (TOTP) sent via SMS, voice call, or generated by an authenticator app. 6 digit verification code gmail