Sorry, I don't know what POC refers to.
The Cadillac LaSalle clubs Sonoran Desert Region meets in Scottsdale, Arizona (not Mesa) the second Tuesday of most months at a Scottsdale restaurant. From Mesa the drive is about 20 miles to the restaurant in Scottsdale.
Sonoran Desert membership is $35.00 yearly and you can join at the monthly meeting. Jerry McGilsky is a membership director jmcgilsky@hotmail.com