Iowa · Monona

51010 ZIP Code

51010 is associated with Castana, Iowa. The page shows the county, timezone, nearby ZIPs and links to the state hub for a nearby city generator.

ZIP details

ZIP code: 51010
City: Castana
State: Iowa (IA)
County: Monona
Timezone: America/Chicago
State sales tax: Varies by state

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Nearby ZIP codes

51009Calumet, IA 51011Chatsworth, IA 51008Brunsville, IA 51012Cherokee, IA 51007Bronson, IA 51006Battle Creek, IA 51014Cleghorn, IA 51005Aurelia, IA

Questions about 51010

What city is ZIP code 51010 in?+

51010 is associated with Castana, Iowa in the bundled dataset. ZIP areas can cross city and county lines, so use the city and county fields together.

What county is 51010 in?+

Monona. County boundaries and postal areas are not the same thing; a ZIP can serve addresses in more than one county.

What timezone is 51010 in?+

America/Chicago. This is the IANA timezone name for the city associated with the ZIP.

Is 51010 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 codes Validate a full address