Area Code +81-866-(070000...079999) 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 : 070000 Subscriber Number To : 079999 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-(060000...069999) next › : +81-866-(080000...089999) Dialling Instructions For trunk calls: 0 866 070000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 866 070000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 070000 ~ 079999 (Count: 10,000) Example: +81-866-070000 / 01081-866-070000 (0866-070000 / 0-866-070000) +81-866-070001 / 01081-866-070001 (0866-070001 / 0-866-070001) +81-866-070002 / 01081-866-070002 (0866-070002 / 0-866-070002) +81-866-070003 / 01081-866-070003 (0866-070003 / 0-866-070003) +81-866-070004 / 01081-866-070004 (0866-070004 / 0-866-070004) ...+81-866-xxxxxx / 01081-866-xxxxxx (0866-xxxxxx / 0-866-xxxxxx) ...+81-866-079995 / 01081-866-079995 (0866-079995 / 0-866-079995) +81-866-079996 / 01081-866-079996 (0866-079996 / 0-866-079996) +81-866-079997 / 01081-866-079997 (0866-079997 / 0-866-079997) +81-866-079998 / 01081-866-079998 (0866-079998 / 0-866-079998) +81-866-079999 / 01081-866-079999 (0866-079999 / 0-866-079999)