Area Code +81-138-(210000...219999) 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 : 210000 Subscriber Number To : 219999 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 : +81-137-(890000...899999) next › : +81-138-(220000...229999) Dialling Instructions For trunk calls: 0 138 210000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 138 210000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 210000 ~ 219999 (Count: 10,000) Example: +81-138-210000 / 01081-138-210000 (0138-210000 / 0-138-210000) +81-138-210001 / 01081-138-210001 (0138-210001 / 0-138-210001) +81-138-210002 / 01081-138-210002 (0138-210002 / 0-138-210002) +81-138-210003 / 01081-138-210003 (0138-210003 / 0-138-210003) +81-138-210004 / 01081-138-210004 (0138-210004 / 0-138-210004) ...+81-138-xxxxxx / 01081-138-xxxxxx (0138-xxxxxx / 0-138-xxxxxx) ...+81-138-219995 / 01081-138-219995 (0138-219995 / 0-138-219995) +81-138-219996 / 01081-138-219996 (0138-219996 / 0-138-219996) +81-138-219997 / 01081-138-219997 (0138-219997 / 0-138-219997) +81-138-219998 / 01081-138-219998 (0138-219998 / 0-138-219998) +81-138-219999 / 01081-138-219999 (0138-219999 / 0-138-219999)