Postcode 5166
O'Sullivan Beach +1 · Onkaparinga, South Australia
5166 is the postcode of O'Sullivan Beach, O’Sullivan Beach in Onkaparinga, South Australia, Australia.
- Postcode
- 5166
- Local area
- Onkaparinga
- State
- South Australia
- Country
- Australia
2 places with postcode 5166
| Place | Local area | Location |
|---|---|---|
| O'Sullivan Beach | Onkaparinga | -35.119, 138.473 |
| O’Sullivan Beach | Onkaparinga | -35.119, 138.473 |
Near Adelaide
The nearest major city is Adelaide, about 24 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode 5166?
O'Sullivan Beach, O’Sullivan Beach.
Which local area and state is 5166 in?
Onkaparinga, South Australia, Australia.
What is the nearest major city to 5166?
Adelaide, about 24 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.