"HP (alt 2) Marriott code 5444 is a second secondary HP/HPE code. HP has three documented Marriott codes (HPQ, 5105, 5444) reflecting HP's complex corporate structure post-split into HP Inc. and HPE. FlyerTalk notes that "HP's deep discounts — cheapest in China" make it a high-value code worth monitoring. The same enforcement pattern as HPQ applies: Bay Area/Houston properties are most scrutinized, international properties more enforcement-active."

"I occasionally try to get the corporate rate for a company I'm visiting in the area (for sales/consulting). Only once has a front desk clerk asked me to prove my eligibility, and she was satisfied by me giving the name and telephone number of the person I was visiting."

"I regularly stay at a renaissance once a month on our DTC rate and have done mobile check in but always end up at front desk. One time the front desk was like oh. We know you as you have been coming regularly, but I need to double check your id. I think it’s because someone shared it online and now it causes random checks for rest of us."