| Code | Name | Region |
|---|---|---|
| JPNKZ | Nakashima | 36 |
| JPNKT | Nakata, Hiroshima | 34 |
| JPNTX | Nakata, Kumamoto | 43 |
| JPNAT | Nakatsu | 44 |
| JPXZW | Nakatsugawa | 21 |
| JPNKY | Nakayama | 32 |
| JPNKR | Nakiri | 24 |
| JPNAM | Nama | 42 |
| JPNKW | Namerikawa | 16 |
| JPNIT | Namikata | 38 |
| JPNNO | Nanao | 17 |
| JPNNT | Nanatsugama | 42 |
| JPNTY | Nanatsuyama | 46 |
| JPNJO | Nanjo | 47 |
| JPNKO | Nanko | 27 |
| JPRPJ | Nanto | 16 |
| JPNYO | Nanyo | 6 |
| JPNAO | Naoetsu | 15 |
| JPNAS | Naoshima | 37 |
| JPNKD | Nakada | 47 |
| JPANG | Nakagawa, Nagano | 20 |
| JPNAK | Nakagusuku | 47 |
| JPNHA | Nakahama, Hiroshima | 34 |
| JPNKJ | Nakahama, Kyoto | 26 |
| JPNKH | Nakahama, Tottori | 31 |
| JPNJM | Nakajima | 38 |
| JPNGK | Nakakoshi | 1 |
| JPNKK | Nakakoshiki | 46 |
| JPZAF | Naka-ku, Kanagawa | 14 |
| JPNKL | Nakama, Kagoshima | 46 |
| JPNKM | Nakama, Okinawa | 47 |
| JPNMC | Nakamichi | 19 |
| JPNMT | Nakaminato | 8 |
| JPNAX | Nakano | 20 |
| JPNKX | Nakanosaku | 7 |
| JPNAN | Nakanoseki | 35 |
| JPNKS | Nakanoshima | 46 |
| JPSXZ | Nakanoto | 17 |
| JPNKN | Nakanoura | 42 |
| JPNYM | Nagareyama | 11 |
| JPNGA | Nagareyama, Chiba | 12 |
| JPNGS | Nagasaki | 42 |
| JPNHN | Nagasakinohana | 37 |
| JPNSA | Nagashima | 24 |
| JPNGU | Nagasu, Kumamoto | 43 |
| JPNSU | Nagasu, Oita | 44 |
| JPNAA | Nagaura, Nagasaki | 42 |
| JPNGR | Nagaura/yokosuka | 14 |
| JPMGY | Nagayama | 47 |
| JPNAY | Nagayo | 42 |