Service 09
Letterbox distribution via Australia Post.
Unaddressed catalogue and flyer drops through Australia Post's national network, target by suburb, postcode, household demographics or postal walk to put the right offer in the right letterboxes.
What it is
Targeted drops, nationwide reach.
Unaddressed letterbox distribution lets you reach every home (or selected homes) in a chosen area without needing names or addresses. Australia Post's posties deliver alongside the regular mail, which means consistent coverage and trusted delivery.
Perfect for local promotions, store openings, real estate, political campaigns, community notices and seasonal retail drops.
What's included
What you get with us.
Postcode targeting
Drop into specific suburbs, postcodes or Australia Post postal walks.
Demographic overlay
Layer ABS data, income, age, household type, to refine the audience.
Print included
We print the flyer, catalogue or DL alongside the drop, one quote, one job.
Drop scheduling
Schedule for a specific delivery window so it lands when you need it to.
Audience sizing
See exact household counts per postcode before you commit to spend.
Lodgement & reporting
We lodge with Australia Post and report drop dates and coverage by area.
Common jobs
What people use it for.
Just-listed, just-sold cards.
Local catchment drops.
New-store launch drops.
Trades, dentists, gyms.
Electorate-targeted drops.
Council, utility, infrastructure.
Christmas, EOFY, Mother's Day.
Open days, expos, sales.
How it works
From map to letterbox.
- 01
Plan the territory
Choose postcodes, suburbs or postal walks, household counts confirmed.
- 02
Print the piece
DL, A5, A4 or larger formats, printed to Australia Post specifications.
- 03
Lodge the drop
Bundle, label and lodge at Australia Post for delivery into the scheduled window.
- 04
Report & review
Drop confirmation, coverage report and any follow-up rounds planned.
Why HPM
Print and drop, single quote.
We tender the print to the best web or digital press for the run, then lodge the drop through Australia Post. One supplier, one timeline, one invoice, no chasing your printer and your distributor separately.
- One contact across print, lodgement and reporting.
- 25 years working with Australia Post and the major distributors.
Frequently Asked Questions
Common questions about letterbox distribution.
Around 5,000 households per drop is the practical minimum for Australia Post unaddressed. Smaller catchments are possible via private distributors.
Allow 5-10 business days from lodgement for full coverage. We schedule against your in-home date.
Yes, Australia Post posties respect "no advertising" requests. Coverage figures we quote already exclude opted-out households.
DL up to A4 work easily; up to 100g per piece without a surcharge. Larger or heavier? We'll quote the right rate.
We report drop dates and coverage. Pair the drop with a QR code or unique offer code to attribute response per postcode.
Related services
You might also need.
What clients say
In their own words.
`We wanted a local campaign targeted suburb by suburb rather than a blanket drop. Horizon's targeting through Australia Post meant we reached the right households without wasting spend on areas outside our catchment.`
Ready when you are
Want to map a letterbox drop?
Tell us the postcodes, we'll come back with household counts and a quote.