"Oracle (alt) Hilton code N0992835 is flagged by the FlyerTalk community as part of Oracle's managed corporate rate program. Oracle's close relationship with major hotel chains (owning Marriott properties, dedicated travel desks) means any Oracle code is subject to heightened verification. Hilton UK properties have been documented systematically checking corporate codes since 2022. Oracle's large tech employee base in UK/Europe (Dublin, London, Reading) means front desk staff at those properties are familiar with Oracle badges and regularly request them."

"I use IBM’s corporate code and have never been asked for ID once. Also never have worked for IBM"

"You can go ahead and book. I've done it before. However, make sure to bring you company ID badge or business card to make sure your eligible for the rate. I don't know if things changed in Shanghai (China) specifically (I stayed at the Waldorf Astoria Shanghai and wasn't asked for it), but I got asked for mine when checking into the Hilton-affiliated hotel I booked in Japan. I think the overall global policy is to check that you are eligible for the corporate rate, but how and if it is implemented differs across properties in each locality. In your booking just book three rooms all at once under a single reservation."