Area Code +62-31-(00000000...99999999) located in Surabaya, Jawa Timur (JI), more detail is as below. Place International Dialing Code : 62 International Prefix : 00 National Destination Code : 31 Subscriber Number From : 00000000 Subscriber Number To : 99999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Telkom Indonesia Click here to buy Indonesia Area Code Database Other Information Language Code : id (Indonesian) Country Number : 360 (Indonesia) Country Code : ID (Indonesia) Region Code : JI Region Name : Jawa Timur City : Surabaya Timezone : Asia/Jakarta Coordinated Universal Time : +07:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : -7.2500 Longitude : 112.7500 ‹ previous : +62-298-(0000000...9999999) next › : +62-321-(0000000...9999999) Dialling Instructions For trunk calls: 0 31 00000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 62 31 00000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00000000 ~ 99999999 (Count: 100,000,000) Example: +62-31-00000000 / 0062-31-00000000 (31-00000000 / -31-00000000) +62-31-00000001 / 0062-31-00000001 (31-00000001 / -31-00000001) +62-31-00000002 / 0062-31-00000002 (31-00000002 / -31-00000002) +62-31-00000003 / 0062-31-00000003 (31-00000003 / -31-00000003) +62-31-00000004 / 0062-31-00000004 (31-00000004 / -31-00000004) ...+62-31-xxxxxxxx / 0062-31-xxxxxxxx (31-xxxxxxxx / -31-xxxxxxxx) ...+62-31-99999995 / 0062-31-99999995 (31-99999995 / -31-99999995) +62-31-99999996 / 0062-31-99999996 (31-99999996 / -31-99999996) +62-31-99999997 / 0062-31-99999997 (31-99999997 / -31-99999997) +62-31-99999998 / 0062-31-99999998 (31-99999998 / -31-99999998) +62-31-99999999 / 0062-31-99999999 (31-99999999 / -31-99999999)