New Zealand Post will deliver a record-breaking 42 million packages and letters in December, an increase of 20 per cent from last year.
Chief operating officer Mark Stewart says Kiwis are "going crazy with online shopping".
This year New Zealanders have spent $4 billion on online purchases and it is on the rise, according to Retail New Zealand.
New Zealand Post has hired an extra 600 staff, 200 more vans and trucks and an extra aeroplane to cope with demand.
The last day for sending packages in New Zealand is next Wednesday and the cut off for Australia is tomorrow.
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From now on it's a gamble to see if any other overseas parcels will make it on time for Christmas.
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