Standing by the car in the airport parking lot, Betty Jones says that, "Jim Archer is 6'4 and 230 pounds". Barnaby Jones remarks that Archer is bigger than Jones is. Actor Buddy Ebsen, known for his towering height, stood 6'3.
The quote from the show is "Jim Archer is 6'4 and 230 pounds". From his personal page, Ken Scott (Jim Archer) was actually 6'5".