Area Code +81-492-(640000...649999) located in Kawagoe, Saitama (11), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 492 Subscriber Number From : 640000 Subscriber Number To : 649999 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 : 11 Region Name : Saitama City : Kawagoe Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.9300 Longitude : 139.4900 ‹ previous : +81-492-(630000...639999) next › : +81-492-(650000...659999) Dialling Instructions For trunk calls: 0 492 640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 492 640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 640000 ~ 649999 (Count: 10,000) Example: +81-492-640000 / 01081-492-640000 (0492-640000 / 0-492-640000) +81-492-640001 / 01081-492-640001 (0492-640001 / 0-492-640001) +81-492-640002 / 01081-492-640002 (0492-640002 / 0-492-640002) +81-492-640003 / 01081-492-640003 (0492-640003 / 0-492-640003) +81-492-640004 / 01081-492-640004 (0492-640004 / 0-492-640004) ...+81-492-xxxxxx / 01081-492-xxxxxx (0492-xxxxxx / 0-492-xxxxxx) ...+81-492-649995 / 01081-492-649995 (0492-649995 / 0-492-649995) +81-492-649996 / 01081-492-649996 (0492-649996 / 0-492-649996) +81-492-649997 / 01081-492-649997 (0492-649997 / 0-492-649997) +81-492-649998 / 01081-492-649998 (0492-649998 / 0-492-649998) +81-492-649999 / 01081-492-649999 (0492-649999 / 0-492-649999)