Area Code +81-154-(790000...799999) located in Shiranuka, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 154 Subscriber Number From : 790000 Subscriber Number To : 799999 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 : Shiranuka Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 42.9600 Longitude : 144.0700 ‹ previous : +81-154-(780000...789999) next › : +81-154-(810000...819999) Dialling Instructions For trunk calls: 0 154 790000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 154 790000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 790000 ~ 799999 (Count: 10,000) Example: +81-154-790000 / 01081-154-790000 (0154-790000 / 0-154-790000) +81-154-790001 / 01081-154-790001 (0154-790001 / 0-154-790001) +81-154-790002 / 01081-154-790002 (0154-790002 / 0-154-790002) +81-154-790003 / 01081-154-790003 (0154-790003 / 0-154-790003) +81-154-790004 / 01081-154-790004 (0154-790004 / 0-154-790004) ...+81-154-xxxxxx / 01081-154-xxxxxx (0154-xxxxxx / 0-154-xxxxxx) ...+81-154-799995 / 01081-154-799995 (0154-799995 / 0-154-799995) +81-154-799996 / 01081-154-799996 (0154-799996 / 0-154-799996) +81-154-799997 / 01081-154-799997 (0154-799997 / 0-154-799997) +81-154-799998 / 01081-154-799998 (0154-799998 / 0-154-799998) +81-154-799999 / 01081-154-799999 (0154-799999 / 0-154-799999)