Area Code +81-236-(180000...189999) located in Yamagata, Yamagata (06), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 236 Subscriber Number From : 180000 Subscriber Number To : 189999 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 DOCOMO Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 06 Region Name : Yamagata City : Yamagata Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 38.2600 Longitude : 140.3400 ‹ previous : +81-236-(170000...179999) next › : +81-236-(210000...219999) Dialling Instructions For trunk calls: 0 236 180000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 236 180000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 180000 ~ 189999 (Count: 10,000) Example: +81-236-180000 / 01081-236-180000 (0236-180000 / 0-236-180000) +81-236-180001 / 01081-236-180001 (0236-180001 / 0-236-180001) +81-236-180002 / 01081-236-180002 (0236-180002 / 0-236-180002) +81-236-180003 / 01081-236-180003 (0236-180003 / 0-236-180003) +81-236-180004 / 01081-236-180004 (0236-180004 / 0-236-180004) ...+81-236-xxxxxx / 01081-236-xxxxxx (0236-xxxxxx / 0-236-xxxxxx) ...+81-236-189995 / 01081-236-189995 (0236-189995 / 0-236-189995) +81-236-189996 / 01081-236-189996 (0236-189996 / 0-236-189996) +81-236-189997 / 01081-236-189997 (0236-189997 / 0-236-189997) +81-236-189998 / 01081-236-189998 (0236-189998 / 0-236-189998) +81-236-189999 / 01081-236-189999 (0236-189999 / 0-236-189999)