Multiplier and Prefecture List for
Japan International DX Contests
Prefixes:
JA,JD,JE,JF,JG,JH,JI,JJ,JK,JL,JM,JN,JO,JP,JQ,JR,JS,7J,7K,7L,7M
Notes:
- JD1(no other areas) for Ogasawara, Minamitorishima & Okinotorishima
- 7J for foreigners under the reciprocal agreement.
- 7K1-4,7L1-4,7M1-4 & 7N1-4 for JA1 area
Prefectures:
| Prefix | Nr | Prefecture | | Prefix | Nr | Prefecture |
| JA1 | 10 | Tokyo | | JA4 | 35 | Hiroshima |
| JA1 | 11 | Kanagawa | | JA5 | 36 | Kagawa |
| JA1 | 12 | Chiba | | JA5 | 37 | Tokushima |
| JA1 | 13 | Saitama | | JA5 | 38 | Ehime |
| JA1 | 14 | Ibaraki | | JA5 | 39 | Kochi |
| JA1 | 15 | Tochigi | | JA6 | 40 | Fukuoka |
| JA1 | 16 | Gumma | | JA6 | 41 | Saga |
| JA1 | 17 | Yamanashi | | JA6 | 42 | Nagasaki |
| JD1 | 48 | Ogasawara | | JA6 | 43 | Kumamoto |
| JD1 | 49 | Minamitorishima | | JA6 | 44 | Oita |
| JD1 | 50 | Okinotorishima | | JA6 | 45 | Miyazaki |
| JA2 | 18 | Shizuoka | | JA6 | 46 | Kagoshima |
| JA2 | 19 | Gifu | | JS6 | 47 | Okinawa |
| JA2 | 20 | Aichi | | JA7 | 02 | Aomori |
| JA2 | 21 | Mie | | JA7 | 03 | Iwate |
| JA3 | 22 | Kyoto | | JA7 | 04 | Akita |
| JA3 | 23 | Shiga | | JA7 | 05 | Yamagata |
| JA3 | 24 | Nara | | JA7 | 06 | Miyagi |
| JA3 | 25 | Osaka | | JA7 | 07 | Fukushima |
| JA3 | 26 | Wakayama | | JA8 | 01 | Hokkaido |
| JA3 | 27 | Hyogo | | JA9 | 28 | Toyama |
| JA4 | 31 | Okayama | | JA9 | 29 | Fukui |
| JA4 | 32 | Shimane | | JA9 | 30 | Ishikawa |
| JA4 | 33 | Yamaguchi | | JA0 | 08 | Niigata |
| JA4 | 34 | Tottori | | JA0 | 09 | Nagano |
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