Area Code +81-990-(520000...529999) located in Premium rate service, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 990 Subscriber Number From : 520000 Subscriber Number To : 529999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : S (Special) Carrier Name : NTT East Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) City : Premium rate service Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : None Longitude : None ‹ previous : +81-990-(510000...519999) next › : +81-990-(530000...538999) Dialling Instructions For trunk calls: 0 990 520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 990 520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 520000 ~ 529999 (Count: 10,000) Example: +81-990-520000 / 01081-990-520000 (0990-520000 / 0-990-520000) +81-990-520001 / 01081-990-520001 (0990-520001 / 0-990-520001) +81-990-520002 / 01081-990-520002 (0990-520002 / 0-990-520002) +81-990-520003 / 01081-990-520003 (0990-520003 / 0-990-520003) +81-990-520004 / 01081-990-520004 (0990-520004 / 0-990-520004) ...+81-990-xxxxxx / 01081-990-xxxxxx (0990-xxxxxx / 0-990-xxxxxx) ...+81-990-529995 / 01081-990-529995 (0990-529995 / 0-990-529995) +81-990-529996 / 01081-990-529996 (0990-529996 / 0-990-529996) +81-990-529997 / 01081-990-529997 (0990-529997 / 0-990-529997) +81-990-529998 / 01081-990-529998 (0990-529998 / 0-990-529998) +81-990-529999 / 01081-990-529999 (0990-529999 / 0-990-529999)