Koyo Postal Codes
Koyo in Japan has 21 postal codes recorded, running from 031-0801 to 976-0005.
Where Koyo is
37.5557, 138.7164 — the centre of Koyo’s postal codes.
Every postal code in Koyo 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.
- 031-0801
- 031-8538
- 031-8577
- 031-8585
- 031-8611
- 086-0081
- 099-4403
- 350-0323
- 436-0090
- 455-0013
- 464-0061
- 470-2357
- 655-0012
- 709-3711
- 890-0038
- 910-0026
- 910-8516
- 920-3103
- 940-2015
- 950-0011
- 976-0005
Koyo by postal code
Every one of Koyo's 19 postal codes, ordered on each measure that differs between them. Click any code for that area's own page.
Residents9,063 – 2,326,844 · 19 codes
| 1 | 455-0013 | 2,326,844 | |
| 2 | 464-0061 | 2,326,844 | |
| 3 | 950-0011 | 2,192,319 | |
| 4 | 655-0012 | 1,521,707 | |
| 5 | 890-0038 | 593,754 | |
| 6 | 920-3103 | 462,479 | |
| 7 | 940-2015 | 265,868 | |
| 8 | 910-0026 | 261,474 | |
| 9 | 910-8516 | 261,474 | |
| 10 | 031-0801 | 222,799 | |
| 11 | 031-8538 | 222,799 | |
| 12 | 031-8577 | 222,799 | |
| 13 | 031-8585 | 222,799 | |
| 14 | 031-8611 | 222,799 | |
| 15 | 436-0090 | 113,954 | |
| 16 | 470-2357 | 83,881 | |
| 17 | 976-0005 | 34,645 | |
| 18 | 099-4403 | 11,302 | |
| 19 | 086-0081 | 9,063 |
Population density0.0 /km² – 7,128.2 /km² · 19 codes
| 1 | 455-0013 | 7,128.2 /km² | |
| 2 | 464-0061 | 7,128.2 /km² | |
| 3 | 920-3103 | 988.7 /km² | |
| 4 | 031-0801 | 729.1 /km² | |
| 5 | 031-8538 | 729.1 /km² | |
| 6 | 031-8577 | 729.1 /km² | |
| 7 | 031-8585 | 729.1 /km² | |
| 8 | 031-8611 | 729.1 /km² | |
| 9 | 910-0026 | 487.5 /km² | |
| 10 | 910-8516 | 487.5 /km² | |
| 11 | 436-0090 | 428.9 /km² | |
| 12 | 940-2015 | 298.4 /km² | |
| 13 | 976-0005 | 175.2 /km² | |
| 14 | 950-0011 | 174.2 /km² | |
| 15 | 099-4403 | 15.3 /km² | |
| 16 | 086-0081 | 12.3 /km² | |
| 17 | 470-2357 | 0.0 /km² | |
| 18 | 655-0012 | 0.0 /km² | |
| 19 | 890-0038 | 0.0 /km² |
Area197.79 km² – 552,230,000.00 km² · 19 codes
| 1 | 655-0012 | 552,230,000.00 km² | |
| 2 | 890-0038 | 547,050,000.00 km² | |
| 3 | 470-2357 | 45,760,000.00 km² | |
| 4 | 950-0011 | 12,582.47 km² | |
| 5 | 940-2015 | 890.91 km² | |
| 6 | 086-0081 | 739.27 km² | |
| 7 | 099-4403 | 737.13 km² | |
| 8 | 910-0026 | 536.41 km² | |
| 9 | 910-8516 | 536.41 km² | |
| 10 | 920-3103 | 467.77 km² | |
| 11 | 455-0013 | 326.43 km² | |
| 12 | 464-0061 | 326.43 km² | |
| 13 | 031-0801 | 305.56 km² | |
| 14 | 031-8538 | 305.56 km² | |
| 15 | 031-8577 | 305.56 km² | |
| 16 | 031-8585 | 305.56 km² | |
| 17 | 031-8611 | 305.56 km² | |
| 18 | 436-0090 | 265.69 km² | |
| 19 | 976-0005 | 197.79 km² |
Addressing mail to Koyo
〒031-0801
[Prefecture]
[Street address]
[Recipient name]
JAPAN
Nearest towns
Measured from Koyo:
Tayama 2 km N · Kamayacho 4 km NE · Fukuro 6 km NE · Toyokacho 7 km W · Teppomachi 12 km E · Asahi 13 km N · Kitamachi 13 km N · Mitake 13 km SE
All Japan postal codes · Other places starting with K
For the code covering one specific street or building in Koyo, use the official finder: www.post.japanpost.jp/zipcode.