Area Code +81-143-(550000...559999) located in Muroran, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 143 Subscriber Number From : 550000 Subscriber Number To : 559999 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 : Muroran Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 42.3200 Longitude : 140.9700 ‹ previous : +81-143-(500000...509999) next › : +81-143-(560000...569999) Dialling Instructions For trunk calls: 0 143 550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 143 550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 550000 ~ 559999 (Count: 10,000) Example: +81-143-550000 / 01081-143-550000 (0143-550000 / 0-143-550000) +81-143-550001 / 01081-143-550001 (0143-550001 / 0-143-550001) +81-143-550002 / 01081-143-550002 (0143-550002 / 0-143-550002) +81-143-550003 / 01081-143-550003 (0143-550003 / 0-143-550003) +81-143-550004 / 01081-143-550004 (0143-550004 / 0-143-550004) ...+81-143-xxxxxx / 01081-143-xxxxxx (0143-xxxxxx / 0-143-xxxxxx) ...+81-143-559995 / 01081-143-559995 (0143-559995 / 0-143-559995) +81-143-559996 / 01081-143-559996 (0143-559996 / 0-143-559996) +81-143-559997 / 01081-143-559997 (0143-559997 / 0-143-559997) +81-143-559998 / 01081-143-559998 (0143-559998 / 0-143-559998) +81-143-559999 / 01081-143-559999 (0143-559999 / 0-143-559999)