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Post office boxes, common boxes & locked bags

Ensure your mail is safe while providing your customers with a professional business address. Post office boxes and locked bags offer:

  • Security - your mail is kept under lock and key, protected from the weather and secure from unwanted attention until you're ready to collect it.
  • Profile - a post office box or locked bag provides your business with a professional mailing address.
  • Consistency - you can provide your customers with a single national postal address in all capital cities by using a common box.
  • Convenience - your mail can be collected when it suits you. Most postal outlets provide 24 hour access to post office boxes. Locked bags can be collected any time during business hours. You can also arrange for a courier to collect your mail for you.
  • Continuity - changing your street address won't require you to change your postal address.

Choosing a post office box or locked bag

You can choose a post office box or locked bag to suit the needs of your business and the volume of your mail. Australia Post can help you streamline your mail collection process with an alerting service that advises you by SMS or email when you have mail to collect.

  • Post office boxes in medium and large sizes are installed at most postal outlets. A4 and jumbo boxes are also offered at some Australia Post retail outlets.
  • Locked bags are a solution if your volume of mail is too large for a post office box, or if you would like an additional level of security when transporting your mail back to your office.
  • Common boxes provide your business with a single box office number nationally.
  • Mail2Day® is an alerting service that advises you by email or SMS when you have mail to collect, where available.

Making the most of your post office box or locked bag

To help ensure speedy sorting and quick delivery of your post office box or locked bag mail:

  • Advise your customers and suppliers that you prefer your mail to be sent to your post office box or locked bag address.
  • Clearly display your post office box or locked bag address details on all company business cards, stationery, advertisements and websites.
  • Make sure that any undeliverable mail is returned to you by including your post office box or locked bag as your return address, either in the top left-hand corner or on the back of any envelopes that you send out.

Terms and conditions apply to post office boxes, locked bags and Mail2Day.

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