Practice

Learn at your own pace, with an explanation after every answer. No score, no leaderboard – and not preparation for a citizenship test: just to know the country and your neighbours a little better.

Everyday life

What does "ZIP" in the term "ZIP Code" stand for?

✓ Zone Improvement Plan
B Zonal Index of Parcels
✕ Zero Interruption Postage Your answer
D Zoned Identification Policy

Not quite.

The US Post Office introduced ZIP Codes in 1963 to speed up mail sorting. The name stands for Zone Improvement Plan.

Source: USPS history pages; Encyclopaedia Britannica, "ZIP code"

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