Japan postal codes starting with 284
36 postal codes in Japan start with 284. The international calling code for Japan is +81.
Postal codes
Showing 36 of 36
| Postal code | Place | Region |
|---|---|---|
| 284-0000 | Yotsukaido Shi | Chiba Ken |
| 284-0001 | Dainichi | Chiba Ken |
| 284-0002 | Kayahashi | Chiba Ken |
| 284-0003 | Shikawatashi | Chiba Ken |
| 284-0004 | Minoricho | Chiba Ken |
| 284-0005 | Yotsukaido | Chiba Ken |
| 284-0006 | Shimoshizu Shinden | Chiba Ken |
| 284-0007 | Satsukigaoka | Chiba Ken |
| 284-0008 | Roppogaoka | Chiba Ken |
| 284-0009 | Chuo | Chiba Ken |
| 284-0011 | Kamezaki | Chiba Ken |
| 284-0012 | Monoi | Chiba Ken |
| 284-0013 | Uchikuroda | Chiba Ken |
| 284-0014 | Ikehana | Chiba Ken |
| 284-0015 | Chiyoda | Chiba Ken |
| 284-0016 | Monenosato | Chiba Ken |
| 284-0021 | Nagaoka | Chiba Ken |
| 284-0022 | Yamanashi | Chiba Ken |
| 284-0023 | Misora | Chiba Ken |
| 284-0024 | Asahigaoka | Chiba Ken |
| 284-0025 | Sachigaoka | Chiba Ken |
| 284-0026 | Tsukushiza | Chiba Ken |
| 284-0027 | Kuriyama | Chiba Ken |
| 284-0031 | Nariyama | Chiba Ken |
| 284-0032 | Yoshioka | Chiba Ken |
| 284-0033 | Takanodai | Chiba Ken |
| 284-0034 | Nabasama | Chiba Ken |
| 284-0035 | Wada | Chiba Ken |
| 284-0036 | Nakano | Chiba Ken |
| 284-0037 | Nakadai | Chiba Ken |
| 284-0041 | Ueno | Chiba Ken |
| 284-0042 | Onagi | Chiba Ken |
| 284-0043 | Meiwa | Chiba Ken |
| 284-0044 | Warabi | Chiba Ken |
| 284-0045 | Utsukushigaoka | Chiba Ken |
| 284-8555 | Shikawatashi | Chiba Ken |
Source: GeoNames postal code data (CC BY). See data sources.
Frequently asked questions
How many postal codes does Japan have?
Our list has 146,447 postal codes for Japan. The official number can differ because postal services update their codes over time.
How do I find a postal code by place name?
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