Pref.   Name         Prefix
No.                   area

1       Hokkaido        8
2       Aomori          7
3       Iwate           7
4       Akita           7
5       Yamagata        7
6       Miyagi          7
7       Fuskushima      7
8       Niigata         0
9       Nagano          0
10      Tokyo           1
11      Kanagawa        1
12      Chiba           1
13      Saitama         1
14      Ibaraki         1
15      Tochigi         1
16      Gunma           1
17      Yamanashi       1
18      Shizuoka        2
19      Gifu            2
20      Aichi           2
21      Mie             2
22      Kyoto           3
23      Shiga           3
24      Nara            3
25      Osaka           3
26      Wakayama        3
27      Hyogo           3
28      Toyama          9
29      Fukui           9
30      Ishikawa        9
31      Okayama         4
32      Shimane         4
33      Yamaguchi       4
34      Tottori         4
35      Hiroshima       4
36      Kagawa          5
37      Tokushima       5
38      Ehime           5
39      Kochi           5
40      Fukuoka         6
41      Saga            6
42      Nagasaki        6
43      Kumamoto        6
44      Oita            6
45      Miyazaki        6
46      Kagoshima       6
47      Okinawa         6