Area Code +81-439-(350000...359999) located in Kisarazu, Chiba (12), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 439 Subscriber Number From : 350000 Subscriber Number To : 359999 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 : 12 Region Name : Chiba City : Kisarazu Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.3800 Longitude : 139.9200 ‹ previous : +81-439-(330000...339999) next › : +81-439-(370000...379999) Dialling Instructions For trunk calls: 0 439 350000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 439 350000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 350000 ~ 359999 (Count: 10,000) Example: +81-439-350000 / 01081-439-350000 (0439-350000 / 0-439-350000) +81-439-350001 / 01081-439-350001 (0439-350001 / 0-439-350001) +81-439-350002 / 01081-439-350002 (0439-350002 / 0-439-350002) +81-439-350003 / 01081-439-350003 (0439-350003 / 0-439-350003) +81-439-350004 / 01081-439-350004 (0439-350004 / 0-439-350004) ...+81-439-xxxxxx / 01081-439-xxxxxx (0439-xxxxxx / 0-439-xxxxxx) ...+81-439-359995 / 01081-439-359995 (0439-359995 / 0-439-359995) +81-439-359996 / 01081-439-359996 (0439-359996 / 0-439-359996) +81-439-359997 / 01081-439-359997 (0439-359997 / 0-439-359997) +81-439-359998 / 01081-439-359998 (0439-359998 / 0-439-359998) +81-439-359999 / 01081-439-359999 (0439-359999 / 0-439-359999)