–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: Dallas: JAMESONDAL Houston: JAMESONHOU L.A.: JAMESONLA New York City: JAMESONNYC San Francisco: JAMESONSF Valid for $10 off an UberX or UberPool ride until 3/19 at Want to continue reading this post? Click here!