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WA · Legislative Assembly (lower house)
Roger Cook
The Hon Roger Cook MLA
What's this? The Legislative Assembly is the lower house of the Western Australia Parliament, where the state government is formed. Each member represents one local electorate.
Where letters go
Electorate office
The Hon Roger Cook MLAPO Box 428Kwinana WA 6966☎ 9439 6444
Source: official parliament listing · updated 20/10/2026
How to write to Roger Cook
Address your letter exactly like this. Keep it to one page, say who you are and where you live, and ask for one clear action.
The Hon Roger Cook MLA
PO Box 428
Kwinana WA 6966
Dear Premier,
I'm writing to you as Premier about…
Suburbs in Kwinana (15)
If you live in one of these suburbs, Roger Cook is likely your state member. Boundaries can split suburbs, so check with your postcode.
Baldivis 6171, Bertram 6167, Calista 6167, Hope Valley 6165, Kwinana Beach 6167, Kwinana Town Centre 6167, Leda 6170, Mandogalup 6167, Medina 6167, Naval Base 6165, Orelia 6167, Parmelia 6167, Postans 6167, The Spectacles 6167, Wellard 6170
Who else represents Kwinana
Federal members whose electorates overlap with Kwinana. You can write to all of them at once.
Questions about Roger Cook
What is Roger Cook's office address?+
Letters to Roger Cook go to their electorate office: PO Box 428, Kwinana WA 6966. The office phone number is 9439 6444.
How do I address a letter to Roger Cook?+
On the envelope and at the top of your letter, write “The Hon Roger Cook MLA” followed by the address. Start the letter with “Dear Premier,”.
What is Roger Cook's role?+
Roger Cook is Premier and Member for Kwinana in the Western Australia Legislative Assembly.
Which party is Roger Cook in?+
Roger Cook is a member of the Australian Labor Party.
Can I send Roger Cook a letter online?+
Yes. Better Letters prints your letter, signs it with your signature, and posts it to Roger Cook's office. You can also download it free and post it yourself.