Area Code +81-155-(370000...379999) located in Obihiro, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 155 Subscriber Number From : 370000 Subscriber Number To : 379999 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 : Obihiro Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 42.9200 Longitude : 143.2000 ‹ previous : +81-155-(360000...369999) next › : +81-155-(380000...389999) Dialling Instructions For trunk calls: 0 155 370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 155 370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 370000 ~ 379999 (Count: 10,000) Example: +81-155-370000 / 01081-155-370000 (0155-370000 / 0-155-370000) +81-155-370001 / 01081-155-370001 (0155-370001 / 0-155-370001) +81-155-370002 / 01081-155-370002 (0155-370002 / 0-155-370002) +81-155-370003 / 01081-155-370003 (0155-370003 / 0-155-370003) +81-155-370004 / 01081-155-370004 (0155-370004 / 0-155-370004) ...+81-155-xxxxxx / 01081-155-xxxxxx (0155-xxxxxx / 0-155-xxxxxx) ...+81-155-379995 / 01081-155-379995 (0155-379995 / 0-155-379995) +81-155-379996 / 01081-155-379996 (0155-379996 / 0-155-379996) +81-155-379997 / 01081-155-379997 (0155-379997 / 0-155-379997) +81-155-379998 / 01081-155-379998 (0155-379998 / 0-155-379998) +81-155-379999 / 01081-155-379999 (0155-379999 / 0-155-379999)