Area Code +81-154-(100000...109999) located in Teshikaga, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 154 Subscriber Number From : 100000 Subscriber Number To : 109999 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 : 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 : +81-153-(890000...899999) next › : +81-154-(170000...179999) Dialling Instructions For trunk calls: 0 154 100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 154 100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 100000 ~ 109999 (Count: 10,000) Example: +81-154-100000 / 01081-154-100000 (0154-100000 / 0-154-100000) +81-154-100001 / 01081-154-100001 (0154-100001 / 0-154-100001) +81-154-100002 / 01081-154-100002 (0154-100002 / 0-154-100002) +81-154-100003 / 01081-154-100003 (0154-100003 / 0-154-100003) +81-154-100004 / 01081-154-100004 (0154-100004 / 0-154-100004) ...+81-154-xxxxxx / 01081-154-xxxxxx (0154-xxxxxx / 0-154-xxxxxx) ...+81-154-109995 / 01081-154-109995 (0154-109995 / 0-154-109995) +81-154-109996 / 01081-154-109996 (0154-109996 / 0-154-109996) +81-154-109997 / 01081-154-109997 (0154-109997 / 0-154-109997) +81-154-109998 / 01081-154-109998 (0154-109998 / 0-154-109998) +81-154-109999 / 01081-154-109999 (0154-109999 / 0-154-109999)