Area Code +81-137-(740000...749999) located in Yakumo, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 137 Subscriber Number From : 740000 Subscriber Number To : 749999 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 : KDDI 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 : Yakumo Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 42.2600 Longitude : 140.2700 ‹ previous : +81-137-(730000...739999) next › : +81-137-(750000...759999) Dialling Instructions For trunk calls: 0 137 740000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 137 740000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 740000 ~ 749999 (Count: 10,000) Example: +81-137-740000 / 01081-137-740000 (0137-740000 / 0-137-740000) +81-137-740001 / 01081-137-740001 (0137-740001 / 0-137-740001) +81-137-740002 / 01081-137-740002 (0137-740002 / 0-137-740002) +81-137-740003 / 01081-137-740003 (0137-740003 / 0-137-740003) +81-137-740004 / 01081-137-740004 (0137-740004 / 0-137-740004) ...+81-137-xxxxxx / 01081-137-xxxxxx (0137-xxxxxx / 0-137-xxxxxx) ...+81-137-749995 / 01081-137-749995 (0137-749995 / 0-137-749995) +81-137-749996 / 01081-137-749996 (0137-749996 / 0-137-749996) +81-137-749997 / 01081-137-749997 (0137-749997 / 0-137-749997) +81-137-749998 / 01081-137-749998 (0137-749998 / 0-137-749998) +81-137-749999 / 01081-137-749999 (0137-749999 / 0-137-749999)