Review for Billings Hotel and Convention Center Review For Billings Hotel and Convention Center Google User Jun 23 '13 at 1:49 My girlfriend and I reserved a room 3 weeks before then we showed up to check in and they told us we had to be 21. then they told us it says u have to be 21 on the website so I checked it and it says it no where. I find this ridiculous. I would not recommend this hotel ever!!!!!! View full site to comment or like