Area Code +62-831-(0000000...999999999) located in Analog Mobile (AMPS) Surabaya, more detail is as below. Place International Dialing Code : 62 International Prefix : 00 National Destination Code : 831 Subscriber Number From : 0000000 Subscriber Number To : 999999999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 12 Number Type : M (Mobile, Cellular) Carrier Name : PT Natrindo Telepon Click here to buy Indonesia Area Code Database Other Information Language Code : id (Indonesian) Country Number : 360 (Indonesia) Country Code : ID (Indonesia) City : Analog Mobile (AMPS) Surabaya Timezone : Asia/Jakarta Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : -7.2700 Longitude : 112.7400 ‹ previous : +62-830-(0000000...999999999) next › : +62-832-(0000000...999999999) Dialling Instructions For trunk calls: 0 831 0000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 62 831 0000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000000 ~ 999999999 (Count: 1,000,000,000) Example: +62-831-000000000 / 0062-831-000000000 (831-000000000 / -831-000000000) +62-831-000000001 / 0062-831-000000001 (831-000000001 / -831-000000001) +62-831-000000002 / 0062-831-000000002 (831-000000002 / -831-000000002) +62-831-000000003 / 0062-831-000000003 (831-000000003 / -831-000000003) +62-831-000000004 / 0062-831-000000004 (831-000000004 / -831-000000004) ...+62-831-xxxxxxxxx / 0062-831-xxxxxxxxx (831-xxxxxxxxx / -831-xxxxxxxxx) ...+62-831-999999995 / 0062-831-999999995 (831-999999995 / -831-999999995) +62-831-999999996 / 0062-831-999999996 (831-999999996 / -831-999999996) +62-831-999999997 / 0062-831-999999997 (831-999999997 / -831-999999997) +62-831-999999998 / 0062-831-999999998 (831-999999998 / -831-999999998) +62-831-999999999 / 0062-831-999999999 (831-999999999 / -831-999999999)