Area Code +91-3666-(400000...499999) located in BARPETA ROAD, Assam (AS), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 3666 Subscriber Number From : 400000 Subscriber Number To : 499999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Bharti Airtel Ltd Click here to buy India Area Code Database Other Information Language Code : hi (Hindi) Country Number : 356 (India) Country Code : IN (India) Region Code : AS Region Name : Assam City : BARPETA ROAD Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 26.5000 Longitude : 90.9700 ‹ previous : +91-3666-(300000...399999) next › : +91-3666-(500000...599999) Dialling Instructions For trunk calls: 0 3666 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 3666 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 499999 (Count: 100,000) Example: +91-3666-400000 / 0091-3666-400000 (03666-400000 / 0-3666-400000) +91-3666-400001 / 0091-3666-400001 (03666-400001 / 0-3666-400001) +91-3666-400002 / 0091-3666-400002 (03666-400002 / 0-3666-400002) +91-3666-400003 / 0091-3666-400003 (03666-400003 / 0-3666-400003) +91-3666-400004 / 0091-3666-400004 (03666-400004 / 0-3666-400004) ...+91-3666-xxxxxx / 0091-3666-xxxxxx (03666-xxxxxx / 0-3666-xxxxxx) ...+91-3666-499995 / 0091-3666-499995 (03666-499995 / 0-3666-499995) +91-3666-499996 / 0091-3666-499996 (03666-499996 / 0-3666-499996) +91-3666-499997 / 0091-3666-499997 (03666-499997 / 0-3666-499997) +91-3666-499998 / 0091-3666-499998 (03666-499998 / 0-3666-499998) +91-3666-499999 / 0091-3666-499999 (03666-499999 / 0-3666-499999)