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South Australia · Postcode 5166
O’Sullivan Beach postcode and suburb data
South Australia · Phone area code 08 · 24 km from Adelaide
Metro
Suburb snapshot
O’Sullivan Beach at a glance
Key postcode, Census, SEIFA, school and LGA signals for O’Sullivan Beach.
Quick facts
5166
Postcode
See every suburb sharing this postcode
0
People
Resident population, Census 2021
Onkaparinga
Council area
53 suburbs, 20 postcodes
Postcode 5166 covers O’Sullivan Beach, an inland suburb of Adelaide about 24 km from the city centre. It forms part of the Adelaide - South region of South Australia. Local government services are provided by Onkaparinga.
O’Sullivan Beach is part of the Onkaparinga statistical area in South Australia.
O’Sullivan Beach details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5166 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Latitude | -35.1198409 |
| Longitude | 138.476227 |
| Distance from Adelaide | 24 km |
| Region (SA4) | Adelaide - South |
| Area (SA3) | Onkaparinga |
| Local Government | Onkaparinga |
| Federal Electorate | Kingston |
| State Electorate | Reynell |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Suburbs Near O’Sullivan Beach
O'Sullivan Beach 0.0 km
Christies Beach North 1.5 km
Christies Beach 1.5 km
Port Stanvac 1.7 km
Christie Downs 2.0 km
Lonsdale 2.2 km
Noarlunga Centre 2.7 km
Port Noarlunga 3.0 km
Noarlunga Downs 3.9 km
Hackham West 4.3 km
Morphett Vale 4.8 km
Reynella 5.2 km
Same Postcode (5166)
More O’Sullivan Beach Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.