"HP's Hilton code 9122532 appears in multiple aggregator sites including hotelcorporatecodes.com. FlyerTalk's London Hilton ID enforcement thread covers properties enforcing checks when discount depth exceeds 15-20% of flex rate. HP's corporate discount at Hilton is typically 15-30%. Hotels near HP/HPE headquarters in Palo Alto, Houston TX, and Bristol UK are more likely to have procedures for verifying HP employees."

"My spouse and I usually use his corporate leisure rate for reservations at Hiltons around the world and we have never once been asked for evidence of working for that employer, even when the reservations are in my name."

"I spent 5 bucks and printed a business card and ID for the code I use the most."