Area Code +81-138-(310000...319999) located in Hakodate, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 138 Subscriber Number From : 310000 Subscriber Number To : 319999 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 East 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 : Hakodate Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 41.7700 Longitude : 140.7300 ‹ previous : +81-138-(300000...309999) next › : +81-138-(320000...329999) Dialling Instructions For trunk calls: 0 138 310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 138 310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 310000 ~ 319999 (Count: 10,000) Example: +81-138-310000 / 01081-138-310000 (0138-310000 / 0-138-310000) +81-138-310001 / 01081-138-310001 (0138-310001 / 0-138-310001) +81-138-310002 / 01081-138-310002 (0138-310002 / 0-138-310002) +81-138-310003 / 01081-138-310003 (0138-310003 / 0-138-310003) +81-138-310004 / 01081-138-310004 (0138-310004 / 0-138-310004) ...+81-138-xxxxxx / 01081-138-xxxxxx (0138-xxxxxx / 0-138-xxxxxx) ...+81-138-319995 / 01081-138-319995 (0138-319995 / 0-138-319995) +81-138-319996 / 01081-138-319996 (0138-319996 / 0-138-319996) +81-138-319997 / 01081-138-319997 (0138-319997 / 0-138-319997) +81-138-319998 / 01081-138-319998 (0138-319998 / 0-138-319998) +81-138-319999 / 01081-138-319999 (0138-319999 / 0-138-319999)
