Area Code +81-120-(837000...837999) 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 : 837000 Subscriber Number To : 837999 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-(836000...836999) next › : +81-120-(838000...838999) Dialling Instructions For trunk calls: 0 120 837000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 120 837000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 837000 ~ 837999 (Count: 1,000) Example: +81-120-837000 / 01081-120-837000 (0120-837000 / 0-120-837000) +81-120-837001 / 01081-120-837001 (0120-837001 / 0-120-837001) +81-120-837002 / 01081-120-837002 (0120-837002 / 0-120-837002) +81-120-837003 / 01081-120-837003 (0120-837003 / 0-120-837003) +81-120-837004 / 01081-120-837004 (0120-837004 / 0-120-837004) ...+81-120-xxxxxx / 01081-120-xxxxxx (0120-xxxxxx / 0-120-xxxxxx) ...+81-120-837995 / 01081-120-837995 (0120-837995 / 0-120-837995) +81-120-837996 / 01081-120-837996 (0120-837996 / 0-120-837996) +81-120-837997 / 01081-120-837997 (0120-837997 / 0-120-837997) +81-120-837998 / 01081-120-837998 (0120-837998 / 0-120-837998) +81-120-837999 / 01081-120-837999 (0120-837999 / 0-120-837999)