Area Code +81-25-(2010000...2019999) located in Niigata, Niigata (15), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 25 Subscriber Number From : 2010000 Subscriber Number To : 2019999 National Destination Code Length : 2 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 : Niigata Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 37.9200 Longitude : 139.0400 ‹ previous : +81-24-(9950000...9959999) next › : +81-25-(2100000...2109999) Dialling Instructions For trunk calls: 0 25 2010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 25 2010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2010000 ~ 2019999 (Count: 10,000) Example: +81-25-2010000 / 01081-25-2010000 (025-2010000 / 0-25-2010000) +81-25-2010001 / 01081-25-2010001 (025-2010001 / 0-25-2010001) +81-25-2010002 / 01081-25-2010002 (025-2010002 / 0-25-2010002) +81-25-2010003 / 01081-25-2010003 (025-2010003 / 0-25-2010003) +81-25-2010004 / 01081-25-2010004 (025-2010004 / 0-25-2010004) ...+81-25-xxxxxxx / 01081-25-xxxxxxx (025-xxxxxxx / 0-25-xxxxxxx) ...+81-25-2019995 / 01081-25-2019995 (025-2019995 / 0-25-2019995) +81-25-2019996 / 01081-25-2019996 (025-2019996 / 0-25-2019996) +81-25-2019997 / 01081-25-2019997 (025-2019997 / 0-25-2019997) +81-25-2019998 / 01081-25-2019998 (025-2019998 / 0-25-2019998) +81-25-2019999 / 01081-25-2019999 (025-2019999 / 0-25-2019999)