I shoulda known, but didn't. I am buying new tires next week. I have older MH, with 16 in rims. My tires all seven are going to cost me under $1250 out the door. I will have date codes of '2207' on all of them. I also got to see what they are for 19.5 & 22 in tires, whew!! glad I have the smaller MH, fits my needs. The ones I had were made in '0101' and put on the vehicle in mid 2002. I would not buy a new tire with a date code of a year already.