What is a postcode in us?

Related questions

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6. What do the numbers 44 mean?
7. How many houses does a postcode cover?
8. What is a UK postcode example?
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Tags

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2. #number
3. #evolved
4. #meaning
5. #every
6. #bangor
7. #mailbox
8. #improvement
9. #04401
10. #unique
11. #called
12. #codes
13. #system
14. #point
15. #country
16. #postcodes
17. #maine