You can easily obtain station code GM using railway station code locator by www.railwaystationcodes.com. GM station code belongs to Garmadi, Ahmadabad Jn, Western 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 Garmadi, Ahmadabad Jn, Western Railway. Similar to this, you can find the station codes for all railway stations of India.