Seems I should know this but search after search I could not find the answer anywhere. Question: I recently was in an RCC and grabbed a tmobile card for both my lovely bride and myself. She logged on with hers and I got distracted—met a fellow traveler. Anyway, time slipped away and we ran for the gate. I realized later that I still had my RCC tmobile card that i had not used. While I'll carry to turn in on next visit, wondering two things: 1) are these cards coded for specific lounges? (I'm thinking of just saving to use in a different RCC) and 2) Could they possibly be used in a Concourse such in the gate area on the 80s at LAX where there is no clubroom and not enough time or energy to schlep over to the RCC in gate area 70s. Just wondering. Thanks.