Area Code +81-428-(540000...549999) 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 : 540000 Subscriber Number To : 549999 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 : Technology Networks 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-(530000...539999) next › : +81-428-(550000...559999) Dialling Instructions For trunk calls: 0 428 540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 428 540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 540000 ~ 549999 (Count: 10,000) Example: +81-428-540000 / 01081-428-540000 (0428-540000 / 0-428-540000) +81-428-540001 / 01081-428-540001 (0428-540001 / 0-428-540001) +81-428-540002 / 01081-428-540002 (0428-540002 / 0-428-540002) +81-428-540003 / 01081-428-540003 (0428-540003 / 0-428-540003) +81-428-540004 / 01081-428-540004 (0428-540004 / 0-428-540004) ...+81-428-xxxxxx / 01081-428-xxxxxx (0428-xxxxxx / 0-428-xxxxxx) ...+81-428-549995 / 01081-428-549995 (0428-549995 / 0-428-549995) +81-428-549996 / 01081-428-549996 (0428-549996 / 0-428-549996) +81-428-549997 / 01081-428-549997 (0428-549997 / 0-428-549997) +81-428-549998 / 01081-428-549998 (0428-549998 / 0-428-549998) +81-428-549999 / 01081-428-549999 (0428-549999 / 0-428-549999)