Area Code +81-163-(840000...849999) located in Rishiri Rebun, 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 : 840000 Subscriber Number To : 849999 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 : Rishiri Rebun Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 45.1900 Longitude : 141.1400 ‹ previous : +81-163-(830000...839999) next › : +81-163-(850000...859999) Dialling Instructions For trunk calls: 0 163 840000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 163 840000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 840000 ~ 849999 (Count: 10,000) Example: +81-163-840000 / 01081-163-840000 (0163-840000 / 0-163-840000) +81-163-840001 / 01081-163-840001 (0163-840001 / 0-163-840001) +81-163-840002 / 01081-163-840002 (0163-840002 / 0-163-840002) +81-163-840003 / 01081-163-840003 (0163-840003 / 0-163-840003) +81-163-840004 / 01081-163-840004 (0163-840004 / 0-163-840004) ...+81-163-xxxxxx / 01081-163-xxxxxx (0163-xxxxxx / 0-163-xxxxxx) ...+81-163-849995 / 01081-163-849995 (0163-849995 / 0-163-849995) +81-163-849996 / 01081-163-849996 (0163-849996 / 0-163-849996) +81-163-849997 / 01081-163-849997 (0163-849997 / 0-163-849997) +81-163-849998 / 01081-163-849998 (0163-849998 / 0-163-849998) +81-163-849999 / 01081-163-849999 (0163-849999 / 0-163-849999)