Area Code +81-270-(500000...509999) located in Isesaki, Gunma (10), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 270 Subscriber Number From : 500000 Subscriber Number To : 509999 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 : 10 Region Name : Gunma City : Isesaki Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 36.3100 Longitude : 139.2000 ‹ previous : +81-270-(400000...409999) next › : +81-270-(550000...559999) Dialling Instructions For trunk calls: 0 270 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 270 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 509999 (Count: 10,000) Example: +81-270-500000 / 01081-270-500000 (0270-500000 / 0-270-500000) +81-270-500001 / 01081-270-500001 (0270-500001 / 0-270-500001) +81-270-500002 / 01081-270-500002 (0270-500002 / 0-270-500002) +81-270-500003 / 01081-270-500003 (0270-500003 / 0-270-500003) +81-270-500004 / 01081-270-500004 (0270-500004 / 0-270-500004) ...+81-270-xxxxxx / 01081-270-xxxxxx (0270-xxxxxx / 0-270-xxxxxx) ...+81-270-509995 / 01081-270-509995 (0270-509995 / 0-270-509995) +81-270-509996 / 01081-270-509996 (0270-509996 / 0-270-509996) +81-270-509997 / 01081-270-509997 (0270-509997 / 0-270-509997) +81-270-509998 / 01081-270-509998 (0270-509998 / 0-270-509998) +81-270-509999 / 01081-270-509999 (0270-509999 / 0-270-509999)