Area Code +81-575-(230000...239999) located in Seki, Gifu (21), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 575 Subscriber Number From : 230000 Subscriber Number To : 239999 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 West Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 21 Region Name : Gifu City : Seki Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.5000 Longitude : 136.9200 ‹ previous : +81-575-(220000...229999) next › : +81-575-(240000...249999) Dialling Instructions For trunk calls: 0 575 230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 575 230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 230000 ~ 239999 (Count: 10,000) Example: +81-575-230000 / 01081-575-230000 (0575-230000 / 0-575-230000) +81-575-230001 / 01081-575-230001 (0575-230001 / 0-575-230001) +81-575-230002 / 01081-575-230002 (0575-230002 / 0-575-230002) +81-575-230003 / 01081-575-230003 (0575-230003 / 0-575-230003) +81-575-230004 / 01081-575-230004 (0575-230004 / 0-575-230004) ...+81-575-xxxxxx / 01081-575-xxxxxx (0575-xxxxxx / 0-575-xxxxxx) ...+81-575-239995 / 01081-575-239995 (0575-239995 / 0-575-239995) +81-575-239996 / 01081-575-239996 (0575-239996 / 0-575-239996) +81-575-239997 / 01081-575-239997 (0575-239997 / 0-575-239997) +81-575-239998 / 01081-575-239998 (0575-239998 / 0-575-239998) +81-575-239999 / 01081-575-239999 (0575-239999 / 0-575-239999)