Where Is Interval International Corporate office Headquarters

I’ve been calling to try and resolve login issues. I called 800-843-8843, spoke to someone that transferred me to someone else, I was then transferred again, again and again still not resolved. Can’t reserve a vacation…we pay fees for what??? HORRIBLE

My name is Janice Sylvester I’m a member of interval number 1233374 I book a trip to the Divi Southwinds I was told they don’t have two bedrooms which was a lie We had a bad experience here and I tried several times to call you number did not work I exchanged two weeks and they gave me one bed room Ifeel your company was very decent fully in your add it claimed entertainment restaurants we was told this is not there busy season so they don’t have a lot of things when spending your money it should not matter the season Please contact me at 9173018286 At the facility my sister slept on a spring mattress on the couch no where to sit couch would not close this timeshare is crap