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Post Offices in Arnold, CA
1 post office in Arnold, Calaveras County · Data as of 10/21/2026
Post offices on this page
Post offices in Arnold at a glance
- Arnold has 1 post office, about 4.0 for every 10,000 residents.
- Close by, Angels (2), Avery (1) and Copperopolis (1) have post offices as well.
Post offices in Arnold
A to Z
Frequently asked questions
- How many post offices are in Arnold, CA?
- There is 1 post office in Arnold as of 10/21/2026.
Data sources
- Overture Maps PlacesOverture Maps Foundation
Data as of 10/21/2026
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