Area Code +81-428-(320000...329999) located in Ome, Tokyo (13), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 428 Subscriber Number From : 320000 Subscriber Number To : 329999 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 : 13 Region Name : Tokyo City : Ome Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.7900 Longitude : 139.2800 ‹ previous : +81-428-(310000...319999) next › : +81-428-(330000...339999) Dialling Instructions For trunk calls: 0 428 320000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 428 320000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 320000 ~ 329999 (Count: 10,000) Example: +81-428-320000 / 01081-428-320000 (0428-320000 / 0-428-320000) +81-428-320001 / 01081-428-320001 (0428-320001 / 0-428-320001) +81-428-320002 / 01081-428-320002 (0428-320002 / 0-428-320002) +81-428-320003 / 01081-428-320003 (0428-320003 / 0-428-320003) +81-428-320004 / 01081-428-320004 (0428-320004 / 0-428-320004) ...+81-428-xxxxxx / 01081-428-xxxxxx (0428-xxxxxx / 0-428-xxxxxx) ...+81-428-329995 / 01081-428-329995 (0428-329995 / 0-428-329995) +81-428-329996 / 01081-428-329996 (0428-329996 / 0-428-329996) +81-428-329997 / 01081-428-329997 (0428-329997 / 0-428-329997) +81-428-329998 / 01081-428-329998 (0428-329998 / 0-428-329998) +81-428-329999 / 01081-428-329999 (0428-329999 / 0-428-329999)