Area Code +81-123-(280000...289999) located in Chitose, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 123 Subscriber Number From : 280000 Subscriber Number To : 289999 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 : 01 Region Name : Hokkaido City : Chitose Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 42.8200 Longitude : 141.6500 ‹ previous : +81-123-(270000...279999) next › : +81-123-(290000...299999) Dialling Instructions For trunk calls: 0 123 280000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 123 280000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 280000 ~ 289999 (Count: 10,000) Example: +81-123-280000 / 01081-123-280000 (0123-280000 / 0-123-280000) +81-123-280001 / 01081-123-280001 (0123-280001 / 0-123-280001) +81-123-280002 / 01081-123-280002 (0123-280002 / 0-123-280002) +81-123-280003 / 01081-123-280003 (0123-280003 / 0-123-280003) +81-123-280004 / 01081-123-280004 (0123-280004 / 0-123-280004) ...+81-123-xxxxxx / 01081-123-xxxxxx (0123-xxxxxx / 0-123-xxxxxx) ...+81-123-289995 / 01081-123-289995 (0123-289995 / 0-123-289995) +81-123-289996 / 01081-123-289996 (0123-289996 / 0-123-289996) +81-123-289997 / 01081-123-289997 (0123-289997 / 0-123-289997) +81-123-289998 / 01081-123-289998 (0123-289998 / 0-123-289998) +81-123-289999 / 01081-123-289999 (0123-289999 / 0-123-289999)