Area Code +81-120-(638000...638999) 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 : 638000 Subscriber Number To : 638999 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-(637000...637999) next › : +81-120-(639000...639999) Dialling Instructions For trunk calls: 0 120 638000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 120 638000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 638000 ~ 638999 (Count: 1,000) Example: +81-120-638000 / 01081-120-638000 (0120-638000 / 0-120-638000) +81-120-638001 / 01081-120-638001 (0120-638001 / 0-120-638001) +81-120-638002 / 01081-120-638002 (0120-638002 / 0-120-638002) +81-120-638003 / 01081-120-638003 (0120-638003 / 0-120-638003) +81-120-638004 / 01081-120-638004 (0120-638004 / 0-120-638004) ...+81-120-xxxxxx / 01081-120-xxxxxx (0120-xxxxxx / 0-120-xxxxxx) ...+81-120-638995 / 01081-120-638995 (0120-638995 / 0-120-638995) +81-120-638996 / 01081-120-638996 (0120-638996 / 0-120-638996) +81-120-638997 / 01081-120-638997 (0120-638997 / 0-120-638997) +81-120-638998 / 01081-120-638998 (0120-638998 / 0-120-638998) +81-120-638999 / 01081-120-638999 (0120-638999 / 0-120-638999)