Area Code +81-254-(990000...999999) located in Aga, Niigata (15), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 254 Subscriber Number From : 990000 Subscriber Number To : 999999 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 : 15 Region Name : Niigata City : Aga Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 37.6800 Longitude : 139.4600 ‹ previous : +81-254-(980000...989999) next › : +81-255-(000000...009999) Dialling Instructions For trunk calls: 0 254 990000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 254 990000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 990000 ~ 999999 (Count: 10,000) Example: +81-254-990000 / 01081-254-990000 (0254-990000 / 0-254-990000) +81-254-990001 / 01081-254-990001 (0254-990001 / 0-254-990001) +81-254-990002 / 01081-254-990002 (0254-990002 / 0-254-990002) +81-254-990003 / 01081-254-990003 (0254-990003 / 0-254-990003) +81-254-990004 / 01081-254-990004 (0254-990004 / 0-254-990004) ...+81-254-xxxxxx / 01081-254-xxxxxx (0254-xxxxxx / 0-254-xxxxxx) ...+81-254-999995 / 01081-254-999995 (0254-999995 / 0-254-999995) +81-254-999996 / 01081-254-999996 (0254-999996 / 0-254-999996) +81-254-999997 / 01081-254-999997 (0254-999997 / 0-254-999997) +81-254-999998 / 01081-254-999998 (0254-999998 / 0-254-999998) +81-254-999999 / 01081-254-999999 (0254-999999 / 0-254-999999)