Postcode Details
- Postcode
- 5166
- Country
- Australia 🇦🇺
- State / Territory
- South Australia (SA)
- Delivery Type
- Delivery Area
- Last Updated
- Updated 6-Sep-2025
- Latitude
- -35.115305
- Longitude
- 138.478636
Additional Information
- Postal Region
- Region R2
- LGA Region
- Onkaparinga
- Federal Electorate
- Kingston
- Altitude
- 57.7934303283691 m
- PHN (Primary Health Network)
- Adelaide
- SA3 Region
- Onkaparinga
- SA4 Region
- Adelaide - South
Suburbs / Localities
How to read this: Australian postcodes are 4-digit numbers. The first digit 5 indicates this postcode is in the SA region. This postcode is classified as "Delivery Area" which means it covers standard street delivery addresses.
Suburbs in Postcode 5166
Map of Postcode 5166
Nearby Suburbs
Frequently Asked Questions
Postcode 5166 is an Australian postcode covering O’sullivan Beach, O'sullivan Beach in South Australia. It is classified as "Delivery Area".
Postcode information is provided for general reference only. For official delivery or address verification, please check the relevant postal authority.