You can easily obtain station code BNN using railway station code locator by www.railwaystationcodes.com. BNN station code belongs to Barnala, Ambala Cant Jn, Northern Railway. Just select the desired zone, division and station name, and you will get the related station code within seconds. Here you wanted to know the station code of Barnala, Ambala Cant Jn, Northern Railway. Similar to this, you can find the station codes for all railway stations of India.