"Sprint's Marriott code SPR is a telecom code. Sprint (now part of T-Mobile) had major HQ in Overland Park KS. Properties near that corridor still encounter Sprint-branded employees during the merger transition. hotelcorporatecodes.com lists SPR with "⚠️ Sometimes" verification. Telecom codes are in the medium-enforcement tier — more commonly audited than retail, less than consulting/finance. No SPR-specific denial incident found in public forums."

"I work for the front desk, at a Marriott, & have for the last 8 years .... So when it comes to room upgrades; it goes based on AVAILABILITY... sometimes no matter the tier, if we have it available - I will upgrade the guest. Now of course, higher tiered members get dibs on the upgrades first but after we go through the higher tiered members, Ambassador, Titanium, Platinum - then we go through the other ones. I cannot express this enough : BEING NICE & POLITE AT THE DESK GOES A LONG WA"

"My last couple of corporate RFID cards had no company name on them for security purposes. My current company doesn’t do business cards. I use my Bonvoy card for corporate travel to get the points. I’d have to write them an email standing at the check in desk, I guess."