Swift

JSON.swift

 override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        let urlPath = "http://telize.com/geoip"
        let url = NSURL(string: urlPath)
        
        let session = NSURLSession.sharedSession()
        
        let task = session.dataTaskWithURL(url!, completionHandler: {data, response, error -> Void in
            
            if (error != nil) {
                println(error)
            } else {
                
                let jsonResult = NSJSONSerialization.JSONObjectWithData(data, options: NSJSONReadingOptions.MutableContainers, error: nil) as NSDictionary
                
                println(jsonResult["postal_code"])
            }
            
            
        })
        task.resume()
        
    }