Area Code +81-499-(830000...839999) located in Ogasawara, Tokyo (13), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 499 Subscriber Number From : 830000 Subscriber Number To : 839999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) 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) Region Code : 13 Region Name : Tokyo City : Ogasawara Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 27.0900 Longitude : 142.1900 ‹ previous : +81-499-(820000...829999) next › : +81-499-(840000...849999) Dialling Instructions For trunk calls: 0 499 830000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 499 830000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 830000 ~ 839999 (Count: 10,000) Example: +81-499-830000 / 01081-499-830000 (0499-830000 / 0-499-830000) +81-499-830001 / 01081-499-830001 (0499-830001 / 0-499-830001) +81-499-830002 / 01081-499-830002 (0499-830002 / 0-499-830002) +81-499-830003 / 01081-499-830003 (0499-830003 / 0-499-830003) +81-499-830004 / 01081-499-830004 (0499-830004 / 0-499-830004) ...+81-499-xxxxxx / 01081-499-xxxxxx (0499-xxxxxx / 0-499-xxxxxx) ...+81-499-839995 / 01081-499-839995 (0499-839995 / 0-499-839995) +81-499-839996 / 01081-499-839996 (0499-839996 / 0-499-839996) +81-499-839997 / 01081-499-839997 (0499-839997 / 0-499-839997) +81-499-839998 / 01081-499-839998 (0499-839998 / 0-499-839998) +81-499-839999 / 01081-499-839999 (0499-839999 / 0-499-839999)