It looks like it is valid until June, then it stays the same
https://www.irs.gov/filing/california-where-to-file-addresses-for-taxpayers-and-tax-professionals
My guess is the postal bar coding at the bottom of the envelope was screwed up. I would use black marker and cross that out and write TRY AGAIN in red sharpie and put it in the mail. Sometimes my sarcasm is not met well by governmental agencies, so use any method you feel appropriate.
Answers are easy. Questions are hard!
