Area Code +81-457-(420000...429999) located in Yokohama, Kanagawa (14), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 457 Subscriber Number From : 420000 Subscriber Number To : 429999 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 : 14 Region Name : Kanagawa City : Yokohama Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.4400 Longitude : 139.6400 ‹ previous : +81-457-(410000...419999) next › : +81-457-(430000...439999) Dialling Instructions For trunk calls: 0 457 420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 457 420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 420000 ~ 429999 (Count: 10,000) Example: +81-457-420000 / 01081-457-420000 (0457-420000 / 0-457-420000) +81-457-420001 / 01081-457-420001 (0457-420001 / 0-457-420001) +81-457-420002 / 01081-457-420002 (0457-420002 / 0-457-420002) +81-457-420003 / 01081-457-420003 (0457-420003 / 0-457-420003) +81-457-420004 / 01081-457-420004 (0457-420004 / 0-457-420004) ...+81-457-xxxxxx / 01081-457-xxxxxx (0457-xxxxxx / 0-457-xxxxxx) ...+81-457-429995 / 01081-457-429995 (0457-429995 / 0-457-429995) +81-457-429996 / 01081-457-429996 (0457-429996 / 0-457-429996) +81-457-429997 / 01081-457-429997 (0457-429997 / 0-457-429997) +81-457-429998 / 01081-457-429998 (0457-429998 / 0-457-429998) +81-457-429999 / 01081-457-429999 (0457-429999 / 0-457-429999)