Area Code +81-439-(200000...209999) 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 : 200000 Subscriber Number To : 209999 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 : Softbank Mobile 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 : +81-438-(980000...989999) next › : +81-439-(270000...279999) Dialling Instructions For trunk calls: 0 439 200000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 439 200000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 200000 ~ 209999 (Count: 10,000) Example: +81-439-200000 / 01081-439-200000 (0439-200000 / 0-439-200000) +81-439-200001 / 01081-439-200001 (0439-200001 / 0-439-200001) +81-439-200002 / 01081-439-200002 (0439-200002 / 0-439-200002) +81-439-200003 / 01081-439-200003 (0439-200003 / 0-439-200003) +81-439-200004 / 01081-439-200004 (0439-200004 / 0-439-200004) ...+81-439-xxxxxx / 01081-439-xxxxxx (0439-xxxxxx / 0-439-xxxxxx) ...+81-439-209995 / 01081-439-209995 (0439-209995 / 0-439-209995) +81-439-209996 / 01081-439-209996 (0439-209996 / 0-439-209996) +81-439-209997 / 01081-439-209997 (0439-209997 / 0-439-209997) +81-439-209998 / 01081-439-209998 (0439-209998 / 0-439-209998) +81-439-209999 / 01081-439-209999 (0439-209999 / 0-439-209999)