Area Code +81-154-(310000...319999) located in Kushiro, 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 : 310000 Subscriber Number To : 319999 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 : Kushiro Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 42.9800 Longitude : 144.3800 ‹ previous : +81-154-(250000...259999) next › : +81-154-(320000...329999) Dialling Instructions For trunk calls: 0 154 310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 154 310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 310000 ~ 319999 (Count: 10,000) Example: +81-154-310000 / 01081-154-310000 (0154-310000 / 0-154-310000) +81-154-310001 / 01081-154-310001 (0154-310001 / 0-154-310001) +81-154-310002 / 01081-154-310002 (0154-310002 / 0-154-310002) +81-154-310003 / 01081-154-310003 (0154-310003 / 0-154-310003) +81-154-310004 / 01081-154-310004 (0154-310004 / 0-154-310004) ...+81-154-xxxxxx / 01081-154-xxxxxx (0154-xxxxxx / 0-154-xxxxxx) ...+81-154-319995 / 01081-154-319995 (0154-319995 / 0-154-319995) +81-154-319996 / 01081-154-319996 (0154-319996 / 0-154-319996) +81-154-319997 / 01081-154-319997 (0154-319997 / 0-154-319997) +81-154-319998 / 01081-154-319998 (0154-319998 / 0-154-319998) +81-154-319999 / 01081-154-319999 (0154-319999 / 0-154-319999)