| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Dunum | 26427 |
| Postal/ZIP Codes in Esens | 26427 |
| Postal/ZIP Codes in Holtgast | 26427 |
| Postal/ZIP Codes in Moorweg | 26427 |
| Postal/ZIP Codes in Neuharlingersiel | 26427 |
| Postal/ZIP Codes in Stedesdorf | 26427 |
| Postal/ZIP Codes in Werdum | 26427 |