So I'm just trying to refresh myself before beginning my PPL training again and I was curious about one thing. Usually I fly out of controlled airports so I'm in constant contact with ATC and communications are solid. I've never flown out of an uncontrolled airport but I know the phraseology to do so. My question is how do you find the right frequencies to contact for flight following once you leave your airport? If it's an uncontrolled airport under class B usually you'll find the freq on the sectional and I know some uncontrolled airports (out in the middle of nowhere) have it listed in the AF/D, but some I noticed only have an RCO or FSS frequency. In that instance, would you just call up the RCO/FSS and ask for the nearest Enroute or TRACON freq? Thanks!