Area Code +81-4-(20040000...20049999) located in Tokorozawa, Saitama (11), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 4 Subscriber Number From : 20040000 Subscriber Number To : 20049999 National Destination Code Length : 1 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Softbank Mobile Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 11 Region Name : Saitama City : Tokorozawa Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.8000 Longitude : 139.4700 ‹ previous : +81-4-(20030000...20039999) next › : +81-4-(20050000...20059999) Dialling Instructions For trunk calls: 0 4 20040000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 4 20040000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 20040000 ~ 20049999 (Count: 10,000) Example: +81-4-20040000 / 01081-4-20040000 (04-20040000 / 0-4-20040000) +81-4-20040001 / 01081-4-20040001 (04-20040001 / 0-4-20040001) +81-4-20040002 / 01081-4-20040002 (04-20040002 / 0-4-20040002) +81-4-20040003 / 01081-4-20040003 (04-20040003 / 0-4-20040003) +81-4-20040004 / 01081-4-20040004 (04-20040004 / 0-4-20040004) ...+81-4-xxxxxxxx / 01081-4-xxxxxxxx (04-xxxxxxxx / 0-4-xxxxxxxx) ...+81-4-20049995 / 01081-4-20049995 (04-20049995 / 0-4-20049995) +81-4-20049996 / 01081-4-20049996 (04-20049996 / 0-4-20049996) +81-4-20049997 / 01081-4-20049997 (04-20049997 / 0-4-20049997) +81-4-20049998 / 01081-4-20049998 (04-20049998 / 0-4-20049998) +81-4-20049999 / 01081-4-20049999 (04-20049999 / 0-4-20049999)