Area Code +81-163-(860000...869999) 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 : 860000 Subscriber Number To : 869999 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-(850000...859999) next › : +81-163-(870000...879999) Dialling Instructions For trunk calls: 0 163 860000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 163 860000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 860000 ~ 869999 (Count: 10,000) Example: +81-163-860000 / 01081-163-860000 (0163-860000 / 0-163-860000) +81-163-860001 / 01081-163-860001 (0163-860001 / 0-163-860001) +81-163-860002 / 01081-163-860002 (0163-860002 / 0-163-860002) +81-163-860003 / 01081-163-860003 (0163-860003 / 0-163-860003) +81-163-860004 / 01081-163-860004 (0163-860004 / 0-163-860004) ...+81-163-xxxxxx / 01081-163-xxxxxx (0163-xxxxxx / 0-163-xxxxxx) ...+81-163-869995 / 01081-163-869995 (0163-869995 / 0-163-869995) +81-163-869996 / 01081-163-869996 (0163-869996 / 0-163-869996) +81-163-869997 / 01081-163-869997 (0163-869997 / 0-163-869997) +81-163-869998 / 01081-163-869998 (0163-869998 / 0-163-869998) +81-163-869999 / 01081-163-869999 (0163-869999 / 0-163-869999)