Area Code +81-15-(4100000...4109999) located in Teshikaga, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 15 Subscriber Number From : 4100000 Subscriber Number To : 4109999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : KDDI 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 : Teshikaga Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 43.4900 Longitude : 144.4600 ‹ previous : +81-1466-(90000...99999) next › : +81-15-(4170000...4179999) Dialling Instructions For trunk calls: 0 15 4100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 15 4100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4100000 ~ 4109999 (Count: 10,000) Example: +81-15-4100000 / 01081-15-4100000 (015-4100000 / 0-15-4100000) +81-15-4100001 / 01081-15-4100001 (015-4100001 / 0-15-4100001) +81-15-4100002 / 01081-15-4100002 (015-4100002 / 0-15-4100002) +81-15-4100003 / 01081-15-4100003 (015-4100003 / 0-15-4100003) +81-15-4100004 / 01081-15-4100004 (015-4100004 / 0-15-4100004) ...+81-15-xxxxxxx / 01081-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+81-15-4109995 / 01081-15-4109995 (015-4109995 / 0-15-4109995) +81-15-4109996 / 01081-15-4109996 (015-4109996 / 0-15-4109996) +81-15-4109997 / 01081-15-4109997 (015-4109997 / 0-15-4109997) +81-15-4109998 / 01081-15-4109998 (015-4109998 / 0-15-4109998) +81-15-4109999 / 01081-15-4109999 (015-4109999 / 0-15-4109999)