"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 point is only that this does happen and it can be problematic for those that work for a company that has great negotiated rates and the provider requires identification."

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