Are all US ZIP codes 5 digits?

Related questions

1. What is the correct way to abbreviate United States?
2. Can you abbreviate United States in APA?
3. Is it made in USA or Made in the USA?
4. How do you write a US phone number internationally?
5. Do you spell out United States in AP style?
6. Can I say made in the USA?
7. Are ZIP codes unique in USA?
8. How do you write amounts?
9. How do you write USA?
10. Do you use periods when abbreviating United States?

Tags

1. #format
2. #basic
3. #refer
4. #delivery
5. #precisely
6. #codes
7. #after
8. #introduced
9. #group
10. #digit
11. #additional
12. #later
13. #improvement
14. #first
15. #postal
16. #stands
17. #extended
18. #still
19. #digits