| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Allinge, Olsker | 3770 |
| Postal/ZIP Codes in Hovedejerlavet, Olsker | 3770 |
| Postal/ZIP Codes in Klemensker, Olsker | 3770 |
| Postal/ZIP Codes in Olsker, Olsker | 3760, 3770, 3790 |
| Postal/ZIP Codes in Rø, Olsker | 3770 |
| Postal/ZIP Codes in Rutsker, Olsker | 3790 |
| Postal/ZIP Codes in Sandkås, Olsker | 3770 |
| Postal/ZIP Codes in Tejn, Olsker | 3770 |