Area Code +81-355-(400000...409999) located in Tokyo, Tokyo (13), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 355 Subscriber Number From : 400000 Subscriber Number To : 409999 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 : Tokyo 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 : +81-355-(390000...399999) next › : +81-355-(410000...419999) Dialling Instructions For trunk calls: 0 355 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 355 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 409999 (Count: 10,000) Example: +81-355-400000 / 01081-355-400000 (0355-400000 / 0-355-400000) +81-355-400001 / 01081-355-400001 (0355-400001 / 0-355-400001) +81-355-400002 / 01081-355-400002 (0355-400002 / 0-355-400002) +81-355-400003 / 01081-355-400003 (0355-400003 / 0-355-400003) +81-355-400004 / 01081-355-400004 (0355-400004 / 0-355-400004) ...+81-355-xxxxxx / 01081-355-xxxxxx (0355-xxxxxx / 0-355-xxxxxx) ...+81-355-409995 / 01081-355-409995 (0355-409995 / 0-355-409995) +81-355-409996 / 01081-355-409996 (0355-409996 / 0-355-409996) +81-355-409997 / 01081-355-409997 (0355-409997 / 0-355-409997) +81-355-409998 / 01081-355-409998 (0355-409998 / 0-355-409998) +81-355-409999 / 01081-355-409999 (0355-409999 / 0-355-409999)