Click the link for a nice visual tour of plastic types. What about Portland recycling? Good luck. They don’t list by numbers. I tried calling and got put on hold, so I gave up. From their site:
Plastic bottles and jars:
-Must have a neck or screw-on top
-remove caps, lids, spray pumps
-No bottles that contained petroleum based products (e.g., motor oil), pesticides or herbicides.
-No tubs, yogurt containers, bags, styrofoam, or any plastic container that doesn’t have a neck or screw-on top.