Area Code +81-55-(2980000...2989999) located in Kofu, Yamanashi (19), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 55 Subscriber Number From : 2980000 Subscriber Number To : 2989999 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 : 19 Region Name : Yamanashi City : Kofu Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.6600 Longitude : 138.5700 ‹ previous : +81-55-(2880000...2889999) next › : +81-55-(9000000...9009999) Dialling Instructions For trunk calls: 0 55 2980000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 55 2980000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2980000 ~ 2989999 (Count: 10,000) Example: +81-55-2980000 / 01081-55-2980000 (055-2980000 / 0-55-2980000) +81-55-2980001 / 01081-55-2980001 (055-2980001 / 0-55-2980001) +81-55-2980002 / 01081-55-2980002 (055-2980002 / 0-55-2980002) +81-55-2980003 / 01081-55-2980003 (055-2980003 / 0-55-2980003) +81-55-2980004 / 01081-55-2980004 (055-2980004 / 0-55-2980004) ...+81-55-xxxxxxx / 01081-55-xxxxxxx (055-xxxxxxx / 0-55-xxxxxxx) ...+81-55-2989995 / 01081-55-2989995 (055-2989995 / 0-55-2989995) +81-55-2989996 / 01081-55-2989996 (055-2989996 / 0-55-2989996) +81-55-2989997 / 01081-55-2989997 (055-2989997 / 0-55-2989997) +81-55-2989998 / 01081-55-2989998 (055-2989998 / 0-55-2989998) +81-55-2989999 / 01081-55-2989999 (055-2989999 / 0-55-2989999)