Interval International is a timeshare exchange company with locations around the world offering it?s members the ability to exchange their timeshare for time an another location. Welcome to Interval International. To create your Web profile and password, please enter your Interval International membership number and the telephone number that matches your membership record. Log in using your CLC Reference number and password. Click on the Interval World banner from where you'll be able to browse all the member benefits provided by Interval International. Discover luxury vacation ownership and exchange opportunities with Interval International. Explore top resorts, getaways, and travel worldwide. About Interval | Privacy and Cookie Policies | Cookie Settings | Do Not Sell/Share | Legal Information | Accessibility | Customer Support | FAQs Vacation ownership makes it possible to enjoy life the way it’s supposed to be lived – and as an Interval International ® member, you get even more from your vacations. Vacation ownership makes it possible to enjoy life the way it’s supposed to be lived – and as an Interval International ® member, you get even more from your vacations. Welcome to Interval International To create your Web profile and password, please enter your membership number and the telephone number that matches your membership record. Interval International members use the same login they created for IntervalWorld.com for their mobile web login. As an added bonus, the mobile web comes with a Save Login ID option that allows members to store their login ID for future use. About Interval | Privacy and Cookie Policies | Cookie Settings | Do Not Sell/Share | Legal Information | Accessibility | Customer Support | FAQs.