Area Code +91-612-(3000000...3999999) located in PATNA, Bihār (BR), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 612 Subscriber Number From : 3000000 Subscriber Number To : 3999999 National Destination Code Length : 3 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 : BR Region Name : Bihār City : PATNA Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 25.6100 Longitude : 85.1400 ‹ previous : +91-612-(2000000...2999999) next › : +91-612-(4000000...4999999) Dialling Instructions For trunk calls: 0 612 3000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 612 3000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3000000 ~ 3999999 (Count: 1,000,000) Example: +91-612-3000000 / 0091-612-3000000 (0612-3000000 / 0-612-3000000) +91-612-3000001 / 0091-612-3000001 (0612-3000001 / 0-612-3000001) +91-612-3000002 / 0091-612-3000002 (0612-3000002 / 0-612-3000002) +91-612-3000003 / 0091-612-3000003 (0612-3000003 / 0-612-3000003) +91-612-3000004 / 0091-612-3000004 (0612-3000004 / 0-612-3000004) ...+91-612-xxxxxxx / 0091-612-xxxxxxx (0612-xxxxxxx / 0-612-xxxxxxx) ...+91-612-3999995 / 0091-612-3999995 (0612-3999995 / 0-612-3999995) +91-612-3999996 / 0091-612-3999996 (0612-3999996 / 0-612-3999996) +91-612-3999997 / 0091-612-3999997 (0612-3999997 / 0-612-3999997) +91-612-3999998 / 0091-612-3999998 (0612-3999998 / 0-612-3999998) +91-612-3999999 / 0091-612-3999999 (0612-3999999 / 0-612-3999999)