Area Code +81-428-(120000...129999) located in Sagamihara, Kanagawa (14), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 428 Subscriber Number From : 120000 Subscriber Number To : 129999 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 : 14 Region Name : Kanagawa City : Sagamihara Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.5700 Longitude : 139.3700 ‹ previous : +81-428-(110000...119999) next › : +81-428-(130000...139999) Dialling Instructions For trunk calls: 0 428 120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 428 120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 120000 ~ 129999 (Count: 10,000) Example: +81-428-120000 / 01081-428-120000 (0428-120000 / 0-428-120000) +81-428-120001 / 01081-428-120001 (0428-120001 / 0-428-120001) +81-428-120002 / 01081-428-120002 (0428-120002 / 0-428-120002) +81-428-120003 / 01081-428-120003 (0428-120003 / 0-428-120003) +81-428-120004 / 01081-428-120004 (0428-120004 / 0-428-120004) ...+81-428-xxxxxx / 01081-428-xxxxxx (0428-xxxxxx / 0-428-xxxxxx) ...+81-428-129995 / 01081-428-129995 (0428-129995 / 0-428-129995) +81-428-129996 / 01081-428-129996 (0428-129996 / 0-428-129996) +81-428-129997 / 01081-428-129997 (0428-129997 / 0-428-129997) +81-428-129998 / 01081-428-129998 (0428-129998 / 0-428-129998) +81-428-129999 / 01081-428-129999 (0428-129999 / 0-428-129999)