Area Code +81-133-(600000...609999) located in Ishikari, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 133 Subscriber Number From : 600000 Subscriber Number To : 609999 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 : Ishikari Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 43.1700 Longitude : 141.3200 ‹ previous : +81-133-(290000...299999) next › : +81-133-(610000...619999) Dialling Instructions For trunk calls: 0 133 600000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 133 600000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 600000 ~ 609999 (Count: 10,000) Example: +81-133-600000 / 01081-133-600000 (0133-600000 / 0-133-600000) +81-133-600001 / 01081-133-600001 (0133-600001 / 0-133-600001) +81-133-600002 / 01081-133-600002 (0133-600002 / 0-133-600002) +81-133-600003 / 01081-133-600003 (0133-600003 / 0-133-600003) +81-133-600004 / 01081-133-600004 (0133-600004 / 0-133-600004) ...+81-133-xxxxxx / 01081-133-xxxxxx (0133-xxxxxx / 0-133-xxxxxx) ...+81-133-609995 / 01081-133-609995 (0133-609995 / 0-133-609995) +81-133-609996 / 01081-133-609996 (0133-609996 / 0-133-609996) +81-133-609997 / 01081-133-609997 (0133-609997 / 0-133-609997) +81-133-609998 / 01081-133-609998 (0133-609998 / 0-133-609998) +81-133-609999 / 01081-133-609999 (0133-609999 / 0-133-609999)