Republic of Ireland Postal Codes: O
Places in Republic of Ireland beginning with O — 1 entries. Larger towns link to their own page; smaller ones show their codes here.
| Place | Postal codes |
|---|---|
| Oldtown | A45 |
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Places in Republic of Ireland beginning with O — 1 entries. Larger towns link to their own page; smaller ones show their codes here.
| Place | Postal codes |
|---|---|
| Oldtown | A45 |