Postcodes in New Zealand

Postcodes in New Zealand consist of four digits, the first two of which specify the area, the third the type of delivery (street, PO Box, Private Bag, or Rural delivery), and the last the specific lobby, RD (rural delivery) number, or suburb. The present postcode system was introduced in New Zealand in June 2006, which, unlike the previous system, applies to all items of mail with effect from June 2008. In October 2008, New Zealand Post launched a 'remember your postcode' campaign, offering a NZ$10,000 prize for remembering a postcode.[1]

This replaced a previous system, introduced in 1977, in which New Zealand Post did not require individual items of mail to include the postcode in the address. Optical character recognition (OCR) enabled automated sorting machines to scan entire addresses, rather than just postcodes, as was the case with older machines. This was very similar to the case in Ireland.[2] OCR technology was introduced in 1992; when the first of seven OCR machines were installed in Auckland, Wellington and Christchurch Mail Centres, most mail was sorted manually.[3]


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