What does the first number in a ZIP code mean?

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Tags

1. #means
2. #university
3. #center
4. #eugene
5. #digit
6. #stand
7. #postal
8. #country
9. #first
10. #facility
11. #office
12. #digits
13. #central
14. #oregon
15. #97403
16. #represent
17. #represents
18. #pacific
19. #coast
20. #region