Area Code +81-492-(310000...319999) 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 : 310000 Subscriber Number To : 319999 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-(300000...309999) next › : +81-492-(320000...329999) Dialling Instructions For trunk calls: 0 492 310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 492 310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 310000 ~ 319999 (Count: 10,000) Example: +81-492-310000 / 01081-492-310000 (0492-310000 / 0-492-310000) +81-492-310001 / 01081-492-310001 (0492-310001 / 0-492-310001) +81-492-310002 / 01081-492-310002 (0492-310002 / 0-492-310002) +81-492-310003 / 01081-492-310003 (0492-310003 / 0-492-310003) +81-492-310004 / 01081-492-310004 (0492-310004 / 0-492-310004) ...+81-492-xxxxxx / 01081-492-xxxxxx (0492-xxxxxx / 0-492-xxxxxx) ...+81-492-319995 / 01081-492-319995 (0492-319995 / 0-492-319995) +81-492-319996 / 01081-492-319996 (0492-319996 / 0-492-319996) +81-492-319997 / 01081-492-319997 (0492-319997 / 0-492-319997) +81-492-319998 / 01081-492-319998 (0492-319998 / 0-492-319998) +81-492-319999 / 01081-492-319999 (0492-319999 / 0-492-319999)