Area Code +81-120-(631000...631999) 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 : 631000 Subscriber Number To : 631999 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-(630000...630999) next › : +81-120-(632000...632999) Dialling Instructions For trunk calls: 0 120 631000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 120 631000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 631000 ~ 631999 (Count: 1,000) Example: +81-120-631000 / 01081-120-631000 (0120-631000 / 0-120-631000) +81-120-631001 / 01081-120-631001 (0120-631001 / 0-120-631001) +81-120-631002 / 01081-120-631002 (0120-631002 / 0-120-631002) +81-120-631003 / 01081-120-631003 (0120-631003 / 0-120-631003) +81-120-631004 / 01081-120-631004 (0120-631004 / 0-120-631004) ...+81-120-xxxxxx / 01081-120-xxxxxx (0120-xxxxxx / 0-120-xxxxxx) ...+81-120-631995 / 01081-120-631995 (0120-631995 / 0-120-631995) +81-120-631996 / 01081-120-631996 (0120-631996 / 0-120-631996) +81-120-631997 / 01081-120-631997 (0120-631997 / 0-120-631997) +81-120-631998 / 01081-120-631998 (0120-631998 / 0-120-631998) +81-120-631999 / 01081-120-631999 (0120-631999 / 0-120-631999)