Area Code +81-278-(330000...339999) located in Numata, Gunma (10), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 278 Subscriber Number From : 330000 Subscriber Number To : 339999 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 Communications 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 : Numata Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 36.6500 Longitude : 139.0400 ‹ previous : +81-278-(300000...309999) next › : +81-278-(400000...409999) Dialling Instructions For trunk calls: 0 278 330000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 278 330000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 330000 ~ 339999 (Count: 10,000) Example: +81-278-330000 / 01081-278-330000 (0278-330000 / 0-278-330000) +81-278-330001 / 01081-278-330001 (0278-330001 / 0-278-330001) +81-278-330002 / 01081-278-330002 (0278-330002 / 0-278-330002) +81-278-330003 / 01081-278-330003 (0278-330003 / 0-278-330003) +81-278-330004 / 01081-278-330004 (0278-330004 / 0-278-330004) ...+81-278-xxxxxx / 01081-278-xxxxxx (0278-xxxxxx / 0-278-xxxxxx) ...+81-278-339995 / 01081-278-339995 (0278-339995 / 0-278-339995) +81-278-339996 / 01081-278-339996 (0278-339996 / 0-278-339996) +81-278-339997 / 01081-278-339997 (0278-339997 / 0-278-339997) +81-278-339998 / 01081-278-339998 (0278-339998 / 0-278-339998) +81-278-339999 / 01081-278-339999 (0278-339999 / 0-278-339999)