Area Code +81-164-(440000...449999) located in Rumoi, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 164 Subscriber Number From : 440000 Subscriber Number To : 449999 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 : Rumoi Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 43.9400 Longitude : 141.6400 ‹ previous : +81-164-(430000...439999) next › : +81-164-(460000...469999) Dialling Instructions For trunk calls: 0 164 440000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 164 440000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 440000 ~ 449999 (Count: 10,000) Example: +81-164-440000 / 01081-164-440000 (0164-440000 / 0-164-440000) +81-164-440001 / 01081-164-440001 (0164-440001 / 0-164-440001) +81-164-440002 / 01081-164-440002 (0164-440002 / 0-164-440002) +81-164-440003 / 01081-164-440003 (0164-440003 / 0-164-440003) +81-164-440004 / 01081-164-440004 (0164-440004 / 0-164-440004) ...+81-164-xxxxxx / 01081-164-xxxxxx (0164-xxxxxx / 0-164-xxxxxx) ...+81-164-449995 / 01081-164-449995 (0164-449995 / 0-164-449995) +81-164-449996 / 01081-164-449996 (0164-449996 / 0-164-449996) +81-164-449997 / 01081-164-449997 (0164-449997 / 0-164-449997) +81-164-449998 / 01081-164-449998 (0164-449998 / 0-164-449998) +81-164-449999 / 01081-164-449999 (0164-449999 / 0-164-449999)