Area Code +81-137-(820000...829999) located in Imakane, 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 : 820000 Subscriber Number To : 829999 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 : Imakane Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 42.4300 Longitude : 140.0100 ‹ previous : +81-137-(810000...819999) next › : +81-137-(830000...839999) Dialling Instructions For trunk calls: 0 137 820000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 137 820000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 820000 ~ 829999 (Count: 10,000) Example: +81-137-820000 / 01081-137-820000 (0137-820000 / 0-137-820000) +81-137-820001 / 01081-137-820001 (0137-820001 / 0-137-820001) +81-137-820002 / 01081-137-820002 (0137-820002 / 0-137-820002) +81-137-820003 / 01081-137-820003 (0137-820003 / 0-137-820003) +81-137-820004 / 01081-137-820004 (0137-820004 / 0-137-820004) ...+81-137-xxxxxx / 01081-137-xxxxxx (0137-xxxxxx / 0-137-xxxxxx) ...+81-137-829995 / 01081-137-829995 (0137-829995 / 0-137-829995) +81-137-829996 / 01081-137-829996 (0137-829996 / 0-137-829996) +81-137-829997 / 01081-137-829997 (0137-829997 / 0-137-829997) +81-137-829998 / 01081-137-829998 (0137-829998 / 0-137-829998) +81-137-829999 / 01081-137-829999 (0137-829999 / 0-137-829999)