Area Code +81-120-(584000...584999) located in Freephone, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 120 Subscriber Number From : 584000 Subscriber Number To : 584999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : F (Freephone) Carrier Name : NTT Communications Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) City : Freephone Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.6900 Longitude : 139.6900 ‹ previous : +81-120-(583000...583999) next › : +81-120-(585000...585999) Dialling Instructions For trunk calls: 0 120 584000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 120 584000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 584000 ~ 584999 (Count: 1,000) Example: +81-120-584000 / 01081-120-584000 (0120-584000 / 0-120-584000) +81-120-584001 / 01081-120-584001 (0120-584001 / 0-120-584001) +81-120-584002 / 01081-120-584002 (0120-584002 / 0-120-584002) +81-120-584003 / 01081-120-584003 (0120-584003 / 0-120-584003) +81-120-584004 / 01081-120-584004 (0120-584004 / 0-120-584004) ...+81-120-xxxxxx / 01081-120-xxxxxx (0120-xxxxxx / 0-120-xxxxxx) ...+81-120-584995 / 01081-120-584995 (0120-584995 / 0-120-584995) +81-120-584996 / 01081-120-584996 (0120-584996 / 0-120-584996) +81-120-584997 / 01081-120-584997 (0120-584997 / 0-120-584997) +81-120-584998 / 01081-120-584998 (0120-584998 / 0-120-584998) +81-120-584999 / 01081-120-584999 (0120-584999 / 0-120-584999)