Area Code +91-3666-(300000...399999) 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 : 300000 Subscriber Number To : 399999 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 : Reliance Communications 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-(200000...299999) next › : +91-3666-(400000...499999) Dialling Instructions For trunk calls: 0 3666 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 3666 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 399999 (Count: 100,000) Example: +91-3666-300000 / 0091-3666-300000 (03666-300000 / 0-3666-300000) +91-3666-300001 / 0091-3666-300001 (03666-300001 / 0-3666-300001) +91-3666-300002 / 0091-3666-300002 (03666-300002 / 0-3666-300002) +91-3666-300003 / 0091-3666-300003 (03666-300003 / 0-3666-300003) +91-3666-300004 / 0091-3666-300004 (03666-300004 / 0-3666-300004) ...+91-3666-xxxxxx / 0091-3666-xxxxxx (03666-xxxxxx / 0-3666-xxxxxx) ...+91-3666-399995 / 0091-3666-399995 (03666-399995 / 0-3666-399995) +91-3666-399996 / 0091-3666-399996 (03666-399996 / 0-3666-399996) +91-3666-399997 / 0091-3666-399997 (03666-399997 / 0-3666-399997) +91-3666-399998 / 0091-3666-399998 (03666-399998 / 0-3666-399998) +91-3666-399999 / 0091-3666-399999 (03666-399999 / 0-3666-399999)