–If you’re new to Uber you can signup via this referral link. Existing users can go to the promotion field in the Uber app or they can click here and enter the following code: -$10 off (Exp: 02/06): 06399 -$10 off (Exp: 02/06): 06405 -$10 off (Exp: 02/06): 08313 -$10 off (Only valid 02/05): 06408 -$10 off (Only valid Want to continue reading this post? Click here!