Trust Express for your urgent mail

Next business day delivery is available between all capital cities (except Darwin), and selected major towns.

Check our Express Post network for a full list of delivery locations. If your destination isn't listed, it means your item may not get there the next business day - but we'll still get it there as fast as we can.

Express Post prepaid envelope prices

Prices
Letter type2 Max. size Price
(single)
Price
(bulk)

Small DL (window face)

Max. size

110 x 220mm

Price (single)

$7.15

Price (bulk)

$69.75
(1-9 packs)
$67.95
(10+ packs)
Buy now

Medium C5

Max. size

162 x 229mm

Price (single)

$7.45

Price (bulk)

$72.65
(1-9 packs)
$70.80
(10+ packs)
Buy now

Large B4

Max. size

250 x 353mm

Price (single)

$8.85

Price (bulk)

$86.30
(1-9 packs)
$84.10
(10+ packs)
Buy now

Maximum weight: 500g
Maximum thickness: 20mm

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Buy Express Post envelopes

Small (DL)

From $69.75 (10 pack)

Medium (C5)

From $72.65 (10 pack)

Large (B4)

From $86.30 (10 pack)

Posting your letter

Post your Express Post envelope Monday to Friday in one of the following ways:

  • Over the counter by 5pm (earlier in some provincial and suburban Post Offices) 
  • in a yellow street-posting box by 6pm (earlier for some Perth suburbs and provincial cities)

1 Next business day delivery is only available within the Express Post next business day delivery network. For more information visit auspost.com.au/expresspostnetwork. The national next business day delivery network operates between capital cities (excluding Darwin; and for Perth between CBDs only) and some major centres.

2 Rigid or inflexible item