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Post Offices in Mercer, WI
1 post office in Mercer, Iron County · Data as of 09/23/2026
Post offices on this page
Post offices in Mercer at a glance
- Mercer has 1 post office in our data.
- By count, it is 37th of 641 in Wisconsin.
- Nearby, Hurley (1), Iron Belt (1) and Montreal (1) also have post offices listed.
Post offices in Mercer
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Frequently asked questions
- How many post offices are in Mercer, WI?
- There is 1 post office in Mercer as of 09/23/2026.