Area Code +81-1658-(40000...49999) located in Kamikawa, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 1658 Subscriber Number From : 40000 Subscriber Number To : 49999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Softbank Mobile Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 01 Region Name : Hokkaido City : Kamikawa Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 43.8100 Longitude : 142.4400 ‹ previous : +81-1658-(30000...39999) next › : +81-1658-(50000...59999) Dialling Instructions For trunk calls: 0 1658 40000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 1658 40000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 40000 ~ 49999 (Count: 10,000) Example: +81-1658-40000 / 01081-1658-40000 (01658-40000 / 0-1658-40000) +81-1658-40001 / 01081-1658-40001 (01658-40001 / 0-1658-40001) +81-1658-40002 / 01081-1658-40002 (01658-40002 / 0-1658-40002) +81-1658-40003 / 01081-1658-40003 (01658-40003 / 0-1658-40003) +81-1658-40004 / 01081-1658-40004 (01658-40004 / 0-1658-40004) ...+81-1658-xxxxx / 01081-1658-xxxxx (01658-xxxxx / 0-1658-xxxxx) ...+81-1658-49995 / 01081-1658-49995 (01658-49995 / 0-1658-49995) +81-1658-49996 / 01081-1658-49996 (01658-49996 / 0-1658-49996) +81-1658-49997 / 01081-1658-49997 (01658-49997 / 0-1658-49997) +81-1658-49998 / 01081-1658-49998 (01658-49998 / 0-1658-49998) +81-1658-49999 / 01081-1658-49999 (01658-49999 / 0-1658-49999)