Make sure everyone in your household has signed up for these two things. They'll prolly take a few months to kick in.
DMA Choice Pay $2 for 10 years of opt-outs
Opt-Out Pre-Screen Stop “pre-approved” offers
2: Use the PaperKarma app
Anytime that you get a piece of junk mail, use PaperKarma and it will send an unsubscribe to the offending company on your behalf. Just take a picture of the company logo and tell them the address of yours they used. I bought a lifetime subscription to send unsubscribes each time you get junk mail. So worth it!