Area Code +81-164-(490000...499999) 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 : 490000 Subscriber Number To : 499999 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 : 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-(460000...469999) next › : +81-164-(500000...509999) Dialling Instructions For trunk calls: 0 164 490000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 164 490000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 490000 ~ 499999 (Count: 10,000) Example: +81-164-490000 / 01081-164-490000 (0164-490000 / 0-164-490000) +81-164-490001 / 01081-164-490001 (0164-490001 / 0-164-490001) +81-164-490002 / 01081-164-490002 (0164-490002 / 0-164-490002) +81-164-490003 / 01081-164-490003 (0164-490003 / 0-164-490003) +81-164-490004 / 01081-164-490004 (0164-490004 / 0-164-490004) ...+81-164-xxxxxx / 01081-164-xxxxxx (0164-xxxxxx / 0-164-xxxxxx) ...+81-164-499995 / 01081-164-499995 (0164-499995 / 0-164-499995) +81-164-499996 / 01081-164-499996 (0164-499996 / 0-164-499996) +81-164-499997 / 01081-164-499997 (0164-499997 / 0-164-499997) +81-164-499998 / 01081-164-499998 (0164-499998 / 0-164-499998) +81-164-499999 / 01081-164-499999 (0164-499999 / 0-164-499999)