Area Code +81-120-(639000...639999) 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 : 639000 Subscriber Number To : 639999 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-(638000...638999) next › : +81-120-(640000...640999) Dialling Instructions For trunk calls: 0 120 639000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 120 639000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 639000 ~ 639999 (Count: 1,000) Example: +81-120-639000 / 01081-120-639000 (0120-639000 / 0-120-639000) +81-120-639001 / 01081-120-639001 (0120-639001 / 0-120-639001) +81-120-639002 / 01081-120-639002 (0120-639002 / 0-120-639002) +81-120-639003 / 01081-120-639003 (0120-639003 / 0-120-639003) +81-120-639004 / 01081-120-639004 (0120-639004 / 0-120-639004) ...+81-120-xxxxxx / 01081-120-xxxxxx (0120-xxxxxx / 0-120-xxxxxx) ...+81-120-639995 / 01081-120-639995 (0120-639995 / 0-120-639995) +81-120-639996 / 01081-120-639996 (0120-639996 / 0-120-639996) +81-120-639997 / 01081-120-639997 (0120-639997 / 0-120-639997) +81-120-639998 / 01081-120-639998 (0120-639998 / 0-120-639998) +81-120-639999 / 01081-120-639999 (0120-639999 / 0-120-639999)