Post Office Kahalgaon Pin Code - 813203 STD Code - 06429 STATION Code CLG Dist.- Bhagalpur State - Bihar Nearest Airport Patna, The Capital of Bihar , 260 KM - NH-80 Railways Station Kahalgaon Railway Station - On Patna-Bhagalpur-Sahibganj loop line Nearest Town Bhagalpur Road System...