Area Code +81-428-(000000...009999) located in Tatikawa, 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 : 000000 Subscriber Number To : 009999 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 : KDDI 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 : Tatikawa Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.7100 Longitude : 139.4100 ‹ previous : +81-427-(990000...999999) next › : +81-428-(010000...019999) Dialling Instructions For trunk calls: 0 428 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 428 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 009999 (Count: 10,000) Example: +81-428-000000 / 01081-428-000000 (0428-000000 / 0-428-000000) +81-428-000001 / 01081-428-000001 (0428-000001 / 0-428-000001) +81-428-000002 / 01081-428-000002 (0428-000002 / 0-428-000002) +81-428-000003 / 01081-428-000003 (0428-000003 / 0-428-000003) +81-428-000004 / 01081-428-000004 (0428-000004 / 0-428-000004) ...+81-428-xxxxxx / 01081-428-xxxxxx (0428-xxxxxx / 0-428-xxxxxx) ...+81-428-009995 / 01081-428-009995 (0428-009995 / 0-428-009995) +81-428-009996 / 01081-428-009996 (0428-009996 / 0-428-009996) +81-428-009997 / 01081-428-009997 (0428-009997 / 0-428-009997) +81-428-009998 / 01081-428-009998 (0428-009998 / 0-428-009998) +81-428-009999 / 01081-428-009999 (0428-009999 / 0-428-009999)