Japan postal codes starting with 303
33 postal codes in Japan start with 303. The international calling code for Japan is +81.
Postal codes
Showing 33 of 33
| Postal code | Place | Region |
|---|---|---|
| 303-0000 | Joso Shi | Ibaraki Ken |
| 303-0001 | Nakayamamachi | Ibaraki Ken |
| 303-0002 | Ainoyamachi | Ibaraki Ken |
| 303-0003 | Mitsukaido Hashimotocho | Ibaraki Ken |
| 303-0004 | Mitsukaido Motomachi | Ibaraki Ken |
| 303-0005 | Mitsukaido Morishitamachi | Ibaraki Ken |
| 303-0006 | Koyamadomachi | Ibaraki Ken |
| 303-0011 | Azumacho | Ibaraki Ken |
| 303-0012 | Osakimachi | Ibaraki Ken |
| 303-0013 | Minowamachi | Ibaraki Ken |
| 303-0014 | Hyomachi | Ibaraki Ken |
| 303-0015 | Chosukemachi | Ibaraki Ken |
| 303-0016 | Araigimachi | Ibaraki Ken |
| 303-0017 | Heimachi | Ibaraki Ken |
| 303-0018 | Jukkamachi | Ibaraki Ken |
| 303-0021 | Mitsukaido Suwamachi | Ibaraki Ken |
| 303-0022 | Mitsukaido Fuchigashiramachi | Ibaraki Ken |
| 303-0023 | Mitsukaido Takaramachi | Ibaraki Ken |
| 303-0024 | Mitsukaido Sakaecho | Ibaraki Ken |
| 303-0025 | Mitsukaido Kameokacho | Ibaraki Ken |
| 303-0026 | Mitsukaido Honcho | Ibaraki Ken |
| 303-0031 | Mitsukaido Yamadamachi | Ibaraki Ken |
| 303-0032 | Mitsukaido Kawamatacho | Ibaraki Ken |
| 303-0033 | Mitsukaido Koyamachi | Ibaraki Ken |
| 303-0034 | Mitsukaido Temmancho | Ibaraki Ken |
| 303-0041 | Toyokamachi | Ibaraki Ken |
| 303-0042 | Sakatemachi | Ibaraki Ken |
| 303-0043 | Uchimoriyamachi | Ibaraki Ken |
| 303-0044 | Sugaomachi | Ibaraki Ken |
| 303-0045 | Otsukadomachi | Ibaraki Ken |
| 303-0046 | Uchimoriyamachikinunosato | Ibaraki Ken |
| 303-8501 | 常総市役所 | Ibaraki Ken |
| 303-8503 | Sakatecho | Ibaraki 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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