Area Code +81-137-(750000...759999) 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 : 750000 Subscriber Number To : 759999 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 : 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-(740000...749999) next › : +81-137-(760000...769999) Dialling Instructions For trunk calls: 0 137 750000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 137 750000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 750000 ~ 759999 (Count: 10,000) Example: +81-137-750000 / 01081-137-750000 (0137-750000 / 0-137-750000) +81-137-750001 / 01081-137-750001 (0137-750001 / 0-137-750001) +81-137-750002 / 01081-137-750002 (0137-750002 / 0-137-750002) +81-137-750003 / 01081-137-750003 (0137-750003 / 0-137-750003) +81-137-750004 / 01081-137-750004 (0137-750004 / 0-137-750004) ...+81-137-xxxxxx / 01081-137-xxxxxx (0137-xxxxxx / 0-137-xxxxxx) ...+81-137-759995 / 01081-137-759995 (0137-759995 / 0-137-759995) +81-137-759996 / 01081-137-759996 (0137-759996 / 0-137-759996) +81-137-759997 / 01081-137-759997 (0137-759997 / 0-137-759997) +81-137-759998 / 01081-137-759998 (0137-759998 / 0-137-759998) +81-137-759999 / 01081-137-759999 (0137-759999 / 0-137-759999)