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Iowa · Keokuk

52231 ZIP Code

52231 is associated with Harper, Iowa. The page shows the county, timezone, nearby ZIPs and links to the state hub for a nearby city generator.

ZIP details

ZIP code
52231
City
Harper
State
Iowa (IA)
County
Keokuk
Timezone
America/Chicago
State sales tax
Varies by state
Open map Iowa hub

Nearby ZIP codes

52232Hartwick, IA52229Garrison, IA52233Hiawatha, IA52228Fairfax, IA52227Ely, IA52235Hills, IA52236Homestead, IA52225Elberon, IA

Questions about 52231

What city is ZIP code 52231 in?+
52231 is associated with Harper, Iowa in the bundled dataset. ZIP areas can cross city and county lines, so use the city and county fields together.
What county is 52231 in?+
Keokuk. County boundaries and postal areas are not the same thing; a ZIP can serve addresses in more than one county.
What timezone is 52231 in?+
America/Chicago. This is the IANA timezone name for the city associated with the ZIP.
Is 52231 a real ZIP code?+
It appears in the public city dataset bundled with this site. That confirms the format and city association, not that a specific street, mailbox, or resident exists.
All ZIP codesValidate a full address