Area Code +62-31-(0000000...9999999) located in Surabaya, more detail is as below. Place International Dialing Code : 62 International Prefix : 00 National Destination Code : 31 Subscriber Number From : 0000000 Subscriber Number To : 9999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Click here to buy Indonesia Area Code Database Other Information Language Code : id (Indonesian) Country Number : 360 (Indonesia) Country Code : ID (Indonesia) City : Surabaya Timezone : Asia/Jakarta Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : -7.2700 Longitude : 112.7400 ‹ previous : +62-29-(0000000...9999999) next › : +62-32-(0000000...9999999) Dialling Instructions For trunk calls: 0 31 0000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 62 31 0000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000000 ~ 9999999 (Count: 10,000,000) Example: +62-31-0000000 / 0062-31-0000000 (31-0000000 / -31-0000000) +62-31-0000001 / 0062-31-0000001 (31-0000001 / -31-0000001) +62-31-0000002 / 0062-31-0000002 (31-0000002 / -31-0000002) +62-31-0000003 / 0062-31-0000003 (31-0000003 / -31-0000003) +62-31-0000004 / 0062-31-0000004 (31-0000004 / -31-0000004) ...+62-31-xxxxxxx / 0062-31-xxxxxxx (31-xxxxxxx / -31-xxxxxxx) ...+62-31-9999995 / 0062-31-9999995 (31-9999995 / -31-9999995) +62-31-9999996 / 0062-31-9999996 (31-9999996 / -31-9999996) +62-31-9999997 / 0062-31-9999997 (31-9999997 / -31-9999997) +62-31-9999998 / 0062-31-9999998 (31-9999998 / -31-9999998) +62-31-9999999 / 0062-31-9999999 (31-9999999 / -31-9999999)