Address formats
How to write an international mailing address
Keep the recipient, delivery details and destination easy to distinguish.
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Postal code & mailing guides
Practical answers for finding codes and sending mail.
Postal basics
ZIP code vs postal code: what is the difference?
Understand the terminology before completing an international address form.
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Country guides
Sending mail to Japan: an address guide
Keep the postcode, locality and building details together.
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Country guides
Understanding Taiwan’s 3+3 postal codes
A three-digit district code is not a complete six-digit delivery code.
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Address formats
Finding the right postcode for a UK address
An outward postcode is useful for exploration, but is not the whole address code.
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Postal basics
Why one city can have several postal codes
Postal areas and administrative boundaries answer different questions.
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