Area Code +91-3771-(300000...399999) located in MARIANI, Assam (AS), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 3771 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 : MARIANI Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 26.6600 Longitude : 94.3200 ‹ previous : +91-3771-(200000...299999) next › : +91-3771-(400000...499999) Dialling Instructions For trunk calls: 0 3771 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 3771 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 399999 (Count: 100,000) Example: +91-3771-300000 / 0091-3771-300000 (03771-300000 / 0-3771-300000) +91-3771-300001 / 0091-3771-300001 (03771-300001 / 0-3771-300001) +91-3771-300002 / 0091-3771-300002 (03771-300002 / 0-3771-300002) +91-3771-300003 / 0091-3771-300003 (03771-300003 / 0-3771-300003) +91-3771-300004 / 0091-3771-300004 (03771-300004 / 0-3771-300004) ...+91-3771-xxxxxx / 0091-3771-xxxxxx (03771-xxxxxx / 0-3771-xxxxxx) ...+91-3771-399995 / 0091-3771-399995 (03771-399995 / 0-3771-399995) +91-3771-399996 / 0091-3771-399996 (03771-399996 / 0-3771-399996) +91-3771-399997 / 0091-3771-399997 (03771-399997 / 0-3771-399997) +91-3771-399998 / 0091-3771-399998 (03771-399998 / 0-3771-399998) +91-3771-399999 / 0091-3771-399999 (03771-399999 / 0-3771-399999)