To dial a ' 8 800 333 68 48' used UIApplication.shared.open(, completionHandler:), but it dials a different number.“ +8 80 333 68 48”

Question

let urlString = "8 800 333 68 48"
if let phoneURL:NSURL = NSURL(string: ("tel://" + urlString..addingPercentEncoding(withAllowedCharacters: .urlQuery