Area Code +81-428-(510000...519999) 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 : 510000 Subscriber Number To : 519999 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 : 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-(500000...509999) next › : +81-428-(520000...529999) Dialling Instructions For trunk calls: 0 428 510000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 428 510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 510000 ~ 519999 (Count: 10,000) Example: +81-428-510000 / 01081-428-510000 (0428-510000 / 0-428-510000) +81-428-510001 / 01081-428-510001 (0428-510001 / 0-428-510001) +81-428-510002 / 01081-428-510002 (0428-510002 / 0-428-510002) +81-428-510003 / 01081-428-510003 (0428-510003 / 0-428-510003) +81-428-510004 / 01081-428-510004 (0428-510004 / 0-428-510004) ...+81-428-xxxxxx / 01081-428-xxxxxx (0428-xxxxxx / 0-428-xxxxxx) ...+81-428-519995 / 01081-428-519995 (0428-519995 / 0-428-519995) +81-428-519996 / 01081-428-519996 (0428-519996 / 0-428-519996) +81-428-519997 / 01081-428-519997 (0428-519997 / 0-428-519997) +81-428-519998 / 01081-428-519998 (0428-519998 / 0-428-519998) +81-428-519999 / 01081-428-519999 (0428-519999 / 0-428-519999)