Area Code +81-120-(731000...731999) 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 : 731000 Subscriber Number To : 731999 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-(730000...730999) next › : +81-120-(732000...732999) Dialling Instructions For trunk calls: 0 120 731000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 120 731000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 731000 ~ 731999 (Count: 1,000) Example: +81-120-731000 / 01081-120-731000 (0120-731000 / 0-120-731000) +81-120-731001 / 01081-120-731001 (0120-731001 / 0-120-731001) +81-120-731002 / 01081-120-731002 (0120-731002 / 0-120-731002) +81-120-731003 / 01081-120-731003 (0120-731003 / 0-120-731003) +81-120-731004 / 01081-120-731004 (0120-731004 / 0-120-731004) ...+81-120-xxxxxx / 01081-120-xxxxxx (0120-xxxxxx / 0-120-xxxxxx) ...+81-120-731995 / 01081-120-731995 (0120-731995 / 0-120-731995) +81-120-731996 / 01081-120-731996 (0120-731996 / 0-120-731996) +81-120-731997 / 01081-120-731997 (0120-731997 / 0-120-731997) +81-120-731998 / 01081-120-731998 (0120-731998 / 0-120-731998) +81-120-731999 / 01081-120-731999 (0120-731999 / 0-120-731999)