Area Code +91-3663-(400000...499999) located in GOALPARA, Assam (AS), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 3663 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 : GOALPARA Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 26.1800 Longitude : 90.6300 ‹ previous : +91-3663-(300000...399999) next › : +91-3663-(500000...599999) Dialling Instructions For trunk calls: 0 3663 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 3663 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 499999 (Count: 100,000) Example: +91-3663-400000 / 0091-3663-400000 (03663-400000 / 0-3663-400000) +91-3663-400001 / 0091-3663-400001 (03663-400001 / 0-3663-400001) +91-3663-400002 / 0091-3663-400002 (03663-400002 / 0-3663-400002) +91-3663-400003 / 0091-3663-400003 (03663-400003 / 0-3663-400003) +91-3663-400004 / 0091-3663-400004 (03663-400004 / 0-3663-400004) ...+91-3663-xxxxxx / 0091-3663-xxxxxx (03663-xxxxxx / 0-3663-xxxxxx) ...+91-3663-499995 / 0091-3663-499995 (03663-499995 / 0-3663-499995) +91-3663-499996 / 0091-3663-499996 (03663-499996 / 0-3663-499996) +91-3663-499997 / 0091-3663-499997 (03663-499997 / 0-3663-499997) +91-3663-499998 / 0091-3663-499998 (03663-499998 / 0-3663-499998) +91-3663-499999 / 0091-3663-499999 (03663-499999 / 0-3663-499999)