PO Box
Choose from a range of sizes and lease times to suit your business needs. Available at participating Post Offices across all areas and regions.
Benefits of a business PO Box, GPO Box or Locked Bag
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Safely store parcels and letters for up to 30 days.
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Access your PO Box 24/7 for your convenience.1
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Collect large parcels from a PO Box red door.2
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Keep your business address professional and confidential.
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Keep the same address even when you move.
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Receive mail delivery notifications with Mail2Day.
Choose from 3 options
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GPO Box
Lease a single GPO Box, or the same box number in each capital city with our Common Box service. Available at major central Post Offices only.
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Locked Bag
Choose this option if your business receives large volumes of parcels or letters. Available at participating Post Offices across all areas and regions.
How to apply for a PO Box, GPO Box or Locked Bag
As a business customer, you must apply for a PO Box, GPO Box or Locked Bag in person at a Post Office. You’ll need to download and complete an application form (PDF 191kB). If you can’t download a form, ask for one at the Post Office.
You’ll also need to provide proof of identity, and an Australian Business Number (ABN) and proof that you’re authorised to act on behalf of the business.
Fees and charges
PO Boxes and Locked Bags can be leased for up to one year and then renewed annually. Our pro rata pricing runs from 1 April to 31 March the following year.
For new leases, an establishment fee is applicable, plus the balance of the annual pro rata price, depending on what month the lease begins. The pro rata charge for each month is one twelfth of the annual fee. Any lease that starts in February or March will include charges for a full year in addition to pro rata fees.
Annual prices (1 April - 31 March)3
| Box size | Standard | Specified locations4 | Reduced rate5 |
|---|---|---|---|
Small 90mm x 130mm | $192 | $302 | $65 |
Medium 135mm x 130mm | $287 | $449 | $99 |
A4 275mm x 85mm | $379 | $600 | N/A |
Large 275mm x 130mm | $459 | $738 | $138 |
Jumbo 275mm x 270mm | $885 | $1,402 | N/A |
| Bag/tray with Post Office box (plus Post Office box charge) | $462 | $621 | $148 |
| Common Box | N/A | N/A | N/A |
Annual fees: 1 April - 31 March3
If you lease a Locked Bag, you must purchase two mail bags for mail collection. One bag is left at your local Post Office for collection. When full, you swap it for the second empty bag.
To keep your Locked Bag secure, you need to provide a large padlock and a duplicate key.
You can collect your Locked Bag anytime during your Post Office's business hours or arrange for courier pickup. Some Post Offices offer a courier service (extra charges apply), or you can use a private courier. Ask in store about availability and pricing.
Annual price
| Service | Annual lease price |
|---|---|
| Standard | $625 |
| Specified4 | $835 |
| Reduced rate5 | $191 |
Locked Bags mail bags (one-off charge)
| Size | Dimensions | Price |
|---|---|---|
| Small | 760mm x 460mm | $56 (single bag) |
| Large | 900mm x 740mm | $66 (single bag) |
- Establishment fee: $27 (includes 2 keys).
- New lock: $34.
- Extra keys: $16 per key.
- Cancelling your PO Box, GPO Box or Locked Bag: $37 (unused service fees exceeding $37 are refunded).
- Reactivation fee: $32. This fee applies if you'd like to re-lease your cancelled PO Box or Locked Bag. You can reactivate your service between 1 and 31 May, provided your previous PO Box, GPO Box or Locked bag hasn't been leased to someone else.
Important information
To apply for a business PO Box or Locked Bag, you must provide proof of identity that shows your name, residential address and signature. This can be a driver licence or two documents, such as a utility bill and a bank statement.
You’ll also need to provide an Australian Business Number (ABN) and proof that you’re authorised to act on behalf of the business. This can be a statutory declaration, a copy of the Australian Business Registration document, or a signed request by an authorised officer of the business on company letterhead.
Renewal invoices are sent out every February. You can pay online or at a Post Office. Note, you can pay for up to 5 years in advance at a Post Office.
- Renew online:
- Pay with your credit card. Enter your invoice number and follow the prompts.
- Pay with your credit card or PayPal account using Post Billpay, using biller code 0060. Renewals cannot be paid through BPAY.
- Renew in person at a participating Post Office.
- Renew over the phone via credit card. Call 13 18 16.
If your parcel is too big to fit in your PO Box, we’ll put it in one of our red door PO Boxes and leave the key in your PO Box.2
If the red door service isn’t available, we’ll leave a card in your PO Box advising collection from the counter at your Post Office.
Common Box service includes a GPO Box in every state and territory. You pay one renewal amount, whether you use the address at all eight GPO locations or just a few.
Once your application is approved, you’ll receive a GPO Box number between 9800 and 9999. This becomes your new postal address in each state, and your customers address their parcels and letters to your GPO number in their own capital city.
For more information, ask in store at a Post Office.
With our free Mail2Day service, we notify you by email when you have parcels or letters in your PO Box. Choose this option on the application form (PDF 191kB).
The 24/7 PO Box Parcel Lockers trial has now concluded.
Until further notice, the service will continue to be provided to eligible customers at no charge.
View terms and conditions.
Not a business customer?
If you’re a personal customer, view our services for PO Boxes and Private Bags.
Frequently asked questions
No. Third party parcel limits are reset at the commencement of the PO Box Billing year and do not roll-over.
Opening hours vary between Post Offices. Standard trading hours are Monday to Friday, 9am to 5pm – excluding public holidays. However, some outlets may be open shorter or longer hours. Some outlets also trade on weekends.
You can use our locations and hours tool to view the opening hours of individual outlets.
You will be charged a fee of $3 for each additional third-party article received above the 50-parcel limit within the PO Box billing year. This will be charged when you collect your item and you can pay using any payment method accepted in store.
A third party carrier is any provider of parcel delivery services, other than Australia Post or StarTrack.
If your parcel is carried by a third-party carrier and is lost in transit before it is accepted by Australia Post for delivery to your PO Box, you will need to contact the sender or third party carrier directly.
Terms and conditions apply (PDF 1.04MB)
1 Check at your individual PO Box location as access times vary.
2 Red door boxes are available at participating Post Offices. Parcel delivery via red doors is subject to size and availability restrictions. If your parcel can’t be delivered using a red door box you’ll receive a card or digital notification advising collection from the counter at the Post Office. Fees and charges may apply to carriers other than Australia Post and StarTrack to deliver parcels to PO Box services. Carriers may pass this cost on to customers.
3 Business pricing applies for persons or entities carrying on an enterprise under an Australian Business Number (ABN), with the exception of not-for-profit organisations and unincorporated associations.
4 Specified pricing is for CBD locations, or PO Box locations in high demand. Applies to PO Box services in Canberra, Hobart and Darwin GPOs and certain Post Offices as determined by Australia Post.
5 Excludes persons residing on houseboats, water / sea vessels or on a private road such as a caravan park, gated community, retirement village or defence force barracks. Only available for customers where Australia Post doesn't deliver to their residential or business address, and each non-delivery address is eligible for one reduced rate PO Box or locked bag at the nearest Post Office. Assessment can take up to seven days. Customers may be changed to full rate if delivery circumstances change.