Area Code +81-163-(640000...649999) located in Kitami Esashi, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 163 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 : Kitami Esashi Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 43.8100 Longitude : 143.8900 ‹ previous : +81-163-(630000...639999) next › : +81-163-(650000...659999) Dialling Instructions For trunk calls: 0 163 640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 163 640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 640000 ~ 649999 (Count: 10,000) Example: +81-163-640000 / 01081-163-640000 (0163-640000 / 0-163-640000) +81-163-640001 / 01081-163-640001 (0163-640001 / 0-163-640001) +81-163-640002 / 01081-163-640002 (0163-640002 / 0-163-640002) +81-163-640003 / 01081-163-640003 (0163-640003 / 0-163-640003) +81-163-640004 / 01081-163-640004 (0163-640004 / 0-163-640004) ...+81-163-xxxxxx / 01081-163-xxxxxx (0163-xxxxxx / 0-163-xxxxxx) ...+81-163-649995 / 01081-163-649995 (0163-649995 / 0-163-649995) +81-163-649996 / 01081-163-649996 (0163-649996 / 0-163-649996) +81-163-649997 / 01081-163-649997 (0163-649997 / 0-163-649997) +81-163-649998 / 01081-163-649998 (0163-649998 / 0-163-649998) +81-163-649999 / 01081-163-649999 (0163-649999 / 0-163-649999)