Ko Postal Codes
Ko in Japan has 11 postal codes recorded, running from 308-0021 to 868-0201.
Where Ko is
34.8590, 135.3203 — the centre of Ko’s postal codes.
Every postal code in Ko has its own page. Click any code below for that area's map, its own figures and, where we have it, its nearest weather station and monthly climate chart.
- 308-0021
- 384-0801
- 384-2104
- 470-2413
- 583-0006
- 682-0942
- 689-4511
- 719-3206
- 781-6401
- 789-1201
- 868-0201
Ko by postal code
Every one of Ko's 11 postal codes, ordered on each measure that differs between them. Click any code for that area's own page.
Residents3,043 – 190,598 · 11 codes
| 1 | 689-4511 | 190,598 | |
| 2 | 789-1201 | 165,880 | |
| 3 | 308-0021 | 98,384 | |
| 4 | 384-2104 | 98,292 | |
| 5 | 470-2413 | 83,881 | |
| 6 | 583-0006 | 63,338 | |
| 7 | 682-0942 | 46,269 | |
| 8 | 719-3206 | 42,259 | |
| 9 | 384-0801 | 41,066 | |
| 10 | 781-6401 | 16,090 | |
| 11 | 868-0201 | 3,043 |
Population density0.0 /km² – 7,124.6 /km² · 11 codes
| 1 | 583-0006 | 7,124.6 /km² | |
| 2 | 689-4511 | 6,918.3 /km² | |
| 3 | 789-1201 | 791.5 /km² | |
| 4 | 308-0021 | 479.2 /km² | |
| 5 | 384-0801 | 416.7 /km² | |
| 6 | 384-2104 | 232.1 /km² | |
| 7 | 682-0942 | 170.1 /km² | |
| 8 | 719-3206 | 51.0 /km² | |
| 9 | 781-6401 | 50.7 /km² | |
| 10 | 868-0201 | 14.7 /km² | |
| 11 | 470-2413 | 0.0 /km² |
Area8.89 km² – 45,760,000.00 km² · 11 codes
| 1 | 470-2413 | 45,760,000.00 km² | |
| 2 | 719-3206 | 828.53 km² | |
| 3 | 384-2104 | 423.51 km² | |
| 4 | 781-6401 | 317.34 km² | |
| 5 | 682-0942 | 272.06 km² | |
| 6 | 789-1201 | 209.57 km² | |
| 7 | 868-0201 | 207.58 km² | |
| 8 | 308-0021 | 205.30 km² | |
| 9 | 384-0801 | 98.55 km² | |
| 10 | 689-4511 | 27.55 km² | |
| 11 | 583-0006 | 8.89 km² |
Addressing mail to Ko
〒308-0021
[Prefecture]
[Street address]
[Recipient name]
JAPAN
Nearest towns
Measured from Ko:
Mizue 4 km W · Toyosaki 5 km W · Sakamoto 5 km NW · Nishiekimaecho 6 km SW · Tanokuchi 6 km SW · Segawa 7 km W · Nakazonecho 8 km SE · Higashishimmachi 8 km NE
All Japan postal codes · Other places starting with K
For the code covering one specific street or building in Ko, use the official finder: www.post.japanpost.jp/zipcode.