If you are writing to someone in the U.S. and don’t have their zipcode, or want to be super-helpful and use the ten-digit code, the USPS has a handy tool online for looking them up.
The royal mail has a similar service for the U.K.
2 thoughts on “Resource: Look up zipcodes for the US or the UK”
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Hello,
Just read about your challenge on the Guardian website today. I signed myself up immediately – what a great idea! There’s a similar tool for finding postcodes in the UK that might be useful – http://www.royalmail.com/postcode-finder They limit the amount you can search in one day – I think it’s 3 postcodes a day.
Oh, thank you. That is very helpful. I’ll add it to the post.