Area Code +81-866-(080000...089999) located in Okayama (Seto), Okayama (33), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 866 Subscriber Number From : 080000 Subscriber Number To : 089999 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 : Energia Communications Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 33 Region Name : Okayama City : Okayama (Seto) Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 34.6600 Longitude : 133.9200 ‹ previous : +81-866-(070000...079999) next › : +81-866-(210000...219999) Dialling Instructions For trunk calls: 0 866 080000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 866 080000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 080000 ~ 089999 (Count: 10,000) Example: +81-866-080000 / 01081-866-080000 (0866-080000 / 0-866-080000) +81-866-080001 / 01081-866-080001 (0866-080001 / 0-866-080001) +81-866-080002 / 01081-866-080002 (0866-080002 / 0-866-080002) +81-866-080003 / 01081-866-080003 (0866-080003 / 0-866-080003) +81-866-080004 / 01081-866-080004 (0866-080004 / 0-866-080004) ...+81-866-xxxxxx / 01081-866-xxxxxx (0866-xxxxxx / 0-866-xxxxxx) ...+81-866-089995 / 01081-866-089995 (0866-089995 / 0-866-089995) +81-866-089996 / 01081-866-089996 (0866-089996 / 0-866-089996) +81-866-089997 / 01081-866-089997 (0866-089997 / 0-866-089997) +81-866-089998 / 01081-866-089998 (0866-089998 / 0-866-089998) +81-866-089999 / 01081-866-089999 (0866-089999 / 0-866-089999)