Area Code +81-280-(610000...619999) located in Koga, Ibaraki (08), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 280 Subscriber Number From : 610000 Subscriber Number To : 619999 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 : 08 Region Name : Ibaraki City : Koga Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 36.1800 Longitude : 139.7000 ‹ previous : +81-280-(570000...579999) next › : +81-280-(620000...629999) Dialling Instructions For trunk calls: 0 280 610000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 280 610000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 610000 ~ 619999 (Count: 10,000) Example: +81-280-610000 / 01081-280-610000 (0280-610000 / 0-280-610000) +81-280-610001 / 01081-280-610001 (0280-610001 / 0-280-610001) +81-280-610002 / 01081-280-610002 (0280-610002 / 0-280-610002) +81-280-610003 / 01081-280-610003 (0280-610003 / 0-280-610003) +81-280-610004 / 01081-280-610004 (0280-610004 / 0-280-610004) ...+81-280-xxxxxx / 01081-280-xxxxxx (0280-xxxxxx / 0-280-xxxxxx) ...+81-280-619995 / 01081-280-619995 (0280-619995 / 0-280-619995) +81-280-619996 / 01081-280-619996 (0280-619996 / 0-280-619996) +81-280-619997 / 01081-280-619997 (0280-619997 / 0-280-619997) +81-280-619998 / 01081-280-619998 (0280-619998 / 0-280-619998) +81-280-619999 / 01081-280-619999 (0280-619999 / 0-280-619999)