Coverage Health Check
Validates that the public Serviced Suburbs page and homepage postcode checker share one data source: Postcode → ZonePostcode → Zone → is_active.
All coverage data is healthy. The Serviced Suburbs page and homepage checker are in sync.
93
Total Postcodes
46
Active Postcodes
43
Public Coverage
3
Hidden Active
4
Active Zones
24/10/2026
Computed
Missing Suburb Names
0
None
Duplicate Suburbs (same postcode)
0
None
Duplicate Zone Mappings
0
None
Orphan ZonePostcode Records
0
None
Postcodes in Multiple Active Zones
0
None
Orphan Postcode Records (no zone)
135
2224 – Sylvania Waters
2225 – Oyster Bay
2226 – Bonnet Bay
2226 – Como
2226 – Jannali
2227 – Gymea
2227 – Gymea Bay
2228 – Miranda
2228 – Yowie Bay
2229 – Caringbah
2229 – Caringbah South
2229 – Dolans Bay
2229 – Lilli Pilli
2229 – Port Hacking
2229 – Taren Point
2230 – Bundeena
2230 – Burraneer
2230 – Cronulla
2230 – Greenhills Beach
2230 – Maianbar
2230 – Woolooware
2231 – Kurnell
2232 – Grays Point
2232 – Kareela
2232 – Kirrawee
2232 – Loftus
2232 – Sutherland
2232 – Woronora
2233 – Engadine
2233 – Heathcote
2233 – Waterfall
2233 – Woronora Heights
2233 – Yarrawarrah
2234 – Alfords Point
2234 – Bangor
2234 – Barden Ridge
2234 – Illawong
2234 – Lucas Heights
2234 – Menai
2142 – Camellia
2142 – Clyde
2142 – Granville
2142 – Rosehill
2142 – South Granville
2145 – Constitution Hill
2145 – Girraween
2145 – Greystanes
2145 – Mays Hill
2145 – Pemulwuy
2145 – Pendle Hill
…and 85 more
Active but hidden from public coverage
3
2091
2109
2139
These postcodes remain serviceable (available in the postcode checker) but are not shown on the public Serviced Suburbs page.
Active Zones
Z4 – Northern Beaches
Z2 – Ryde & Meadowbank
Z1 – Lower North Shore
Z3 – Inner West
Zones With Zero Postcodes
Z5 – Hills District West
Z8 – Sutherland Shire
Z10 – Inner South West
Z12 – Eastern Suburbs South
Z9 – Parramatta & Surrounds
Z11 – Eastern Suburbs North
Z6 – Hills District East
Z7 – Rural Hills