# SMS Opt-In If you previously opted-out of text messages and can no longer receive login codes, use the form below to opt-in again. Once submitted, you will be able to receive one-time passcode messages again. To prevent abuse, this form can only be used once per phone number per 90 days. Alternatively, you can opt-in by texting START to +1 775 500-0755. To control transactional messages without completely opting-out, navigate to your profile page and select which notifications you want to recieve.