Area Code +81-603-(3900000...3999999) located in Fixed Mobile Convergence service, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 603 Subscriber Number From : 3900000 Subscriber Number To : 3999999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) 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) City : Fixed Mobile Convergence service Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : None Longitude : None ‹ previous : +81-603-(3800000...3899999) next › : +81-603-(4000000...4099999) Dialling Instructions For trunk calls: 0 603 3900000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 603 3900000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3900000 ~ 3999999 (Count: 100,000) Example: +81-603-3900000 / 01081-603-3900000 (0603-3900000 / 0-603-3900000) +81-603-3900001 / 01081-603-3900001 (0603-3900001 / 0-603-3900001) +81-603-3900002 / 01081-603-3900002 (0603-3900002 / 0-603-3900002) +81-603-3900003 / 01081-603-3900003 (0603-3900003 / 0-603-3900003) +81-603-3900004 / 01081-603-3900004 (0603-3900004 / 0-603-3900004) ...+81-603-xxxxxxx / 01081-603-xxxxxxx (0603-xxxxxxx / 0-603-xxxxxxx) ...+81-603-3999995 / 01081-603-3999995 (0603-3999995 / 0-603-3999995) +81-603-3999996 / 01081-603-3999996 (0603-3999996 / 0-603-3999996) +81-603-3999997 / 01081-603-3999997 (0603-3999997 / 0-603-3999997) +81-603-3999998 / 01081-603-3999998 (0603-3999998 / 0-603-3999998) +81-603-3999999 / 01081-603-3999999 (0603-3999999 / 0-603-3999999)
