Hi Bill (and List) you are correct, there is no Nampa in California, but there is Napa (the wine-country) California. Nampa is in Idaho. I live in CA. and have ex-in-laws in Nampa! : ) (but just to be 100% positive there wasnt another Nampa in CA. I called my post office, and I was right, theres not. Cris Atwater CA.