Will my KTN (Known Traveler Number) change?
Your KTN will not change.
login.gov is for account access and sign-in only and does not affect or have any information about your Trusted Traveler Programs application, membership, or eligibility. Please do not send login.gov sensitive data about yourself or identifying membership numbers.
For additional Trusted Traveler related questions such as these, please contact CBP directly: https://help.cbp.gov/app/ask.