Area Code +81-257-(080000...089999) located in Uonuma, Niigata (15), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 257 Subscriber Number From : 080000 Subscriber Number To : 089999 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 : SoftBank Telecom 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 : Uonuma Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 37.2400 Longitude : 138.9200 ‹ previous : +81-257-(060000...069999) next › : +81-257-(100000...109999) Dialling Instructions For trunk calls: 0 257 080000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 257 080000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 080000 ~ 089999 (Count: 10,000) Example: +81-257-080000 / 01081-257-080000 (0257-080000 / 0-257-080000) +81-257-080001 / 01081-257-080001 (0257-080001 / 0-257-080001) +81-257-080002 / 01081-257-080002 (0257-080002 / 0-257-080002) +81-257-080003 / 01081-257-080003 (0257-080003 / 0-257-080003) +81-257-080004 / 01081-257-080004 (0257-080004 / 0-257-080004) ...+81-257-xxxxxx / 01081-257-xxxxxx (0257-xxxxxx / 0-257-xxxxxx) ...+81-257-089995 / 01081-257-089995 (0257-089995 / 0-257-089995) +81-257-089996 / 01081-257-089996 (0257-089996 / 0-257-089996) +81-257-089997 / 01081-257-089997 (0257-089997 / 0-257-089997) +81-257-089998 / 01081-257-089998 (0257-089998 / 0-257-089998) +81-257-089999 / 01081-257-089999 (0257-089999 / 0-257-089999)
