Area Code +81-136-(640000...649999) located in Suttsu, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 136 Subscriber Number From : 640000 Subscriber Number To : 649999 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 : Suttsu Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 42.7900 Longitude : 140.2300 ‹ previous : +81-136-(630000...639999) next › : +81-136-(650000...659999) Dialling Instructions For trunk calls: 0 136 640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 136 640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 640000 ~ 649999 (Count: 10,000) Example: +81-136-640000 / 01081-136-640000 (0136-640000 / 0-136-640000) +81-136-640001 / 01081-136-640001 (0136-640001 / 0-136-640001) +81-136-640002 / 01081-136-640002 (0136-640002 / 0-136-640002) +81-136-640003 / 01081-136-640003 (0136-640003 / 0-136-640003) +81-136-640004 / 01081-136-640004 (0136-640004 / 0-136-640004) ...+81-136-xxxxxx / 01081-136-xxxxxx (0136-xxxxxx / 0-136-xxxxxx) ...+81-136-649995 / 01081-136-649995 (0136-649995 / 0-136-649995) +81-136-649996 / 01081-136-649996 (0136-649996 / 0-136-649996) +81-136-649997 / 01081-136-649997 (0136-649997 / 0-136-649997) +81-136-649998 / 01081-136-649998 (0136-649998 / 0-136-649998) +81-136-649999 / 01081-136-649999 (0136-649999 / 0-136-649999)