Area Code +81-1377-(30000...39999) located in Yakumo, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 1377 Subscriber Number From : 30000 Subscriber Number To : 39999 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 : Fusion Communications 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 : Yakumo Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 42.2600 Longitude : 140.2700 ‹ previous : +81-1377-(20000...29999) next › : +81-1377-(40000...49999) Dialling Instructions For trunk calls: 0 1377 30000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 1377 30000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 30000 ~ 39999 (Count: 10,000) Example: +81-1377-30000 / 01081-1377-30000 (01377-30000 / 0-1377-30000) +81-1377-30001 / 01081-1377-30001 (01377-30001 / 0-1377-30001) +81-1377-30002 / 01081-1377-30002 (01377-30002 / 0-1377-30002) +81-1377-30003 / 01081-1377-30003 (01377-30003 / 0-1377-30003) +81-1377-30004 / 01081-1377-30004 (01377-30004 / 0-1377-30004) ...+81-1377-xxxxx / 01081-1377-xxxxx (01377-xxxxx / 0-1377-xxxxx) ...+81-1377-39995 / 01081-1377-39995 (01377-39995 / 0-1377-39995) +81-1377-39996 / 01081-1377-39996 (01377-39996 / 0-1377-39996) +81-1377-39997 / 01081-1377-39997 (01377-39997 / 0-1377-39997) +81-1377-39998 / 01081-1377-39998 (01377-39998 / 0-1377-39998) +81-1377-39999 / 01081-1377-39999 (01377-39999 / 0-1377-39999)