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Post Offices in Arcata, CA
2 post offices in Arcata, Humboldt County · Data as of 10/21/2026
Post offices on this page
Post offices in Arcata at a glance
- With a population of 18,607, Arcata has 2 post offices (1.1 per 10,000 people).
- By count, it is 93rd of 743 in California.
- Nearby, Eureka (3), Alderpoint (1) and Cutten (1) also have post offices listed.
Post offices in Arcata
A to Z
Frequently asked questions
- How many post offices are in Arcata, CA?
- There are 2 post offices in Arcata as of 10/21/2026.
Data sources
- Overture Maps PlacesOverture Maps Foundation
Data as of 10/21/2026
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