Area Code +81-255-(120000...129999) located in Joetsu, Niigata (15), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 255 Subscriber Number From : 120000 Subscriber Number To : 129999 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 : KDDI 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 : Joetsu Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 37.1500 Longitude : 138.2400 ‹ previous : +81-255-(110000...119999) next › : +81-255-(140000...149999) Dialling Instructions For trunk calls: 0 255 120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 255 120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 120000 ~ 129999 (Count: 10,000) Example: +81-255-120000 / 01081-255-120000 (0255-120000 / 0-255-120000) +81-255-120001 / 01081-255-120001 (0255-120001 / 0-255-120001) +81-255-120002 / 01081-255-120002 (0255-120002 / 0-255-120002) +81-255-120003 / 01081-255-120003 (0255-120003 / 0-255-120003) +81-255-120004 / 01081-255-120004 (0255-120004 / 0-255-120004) ...+81-255-xxxxxx / 01081-255-xxxxxx (0255-xxxxxx / 0-255-xxxxxx) ...+81-255-129995 / 01081-255-129995 (0255-129995 / 0-255-129995) +81-255-129996 / 01081-255-129996 (0255-129996 / 0-255-129996) +81-255-129997 / 01081-255-129997 (0255-129997 / 0-255-129997) +81-255-129998 / 01081-255-129998 (0255-129998 / 0-255-129998) +81-255-129999 / 01081-255-129999 (0255-129999 / 0-255-129999)