Keystone, IA ZIP Codes, Coordinates & Counties
Keystone, Iowa has 1 ZIP code in Benton county. The approximate center of Keystone is 42.014, -92.205. Keystone has about 21,849 known street addresses.
ZIP codes in Keystone, IA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 52249 | Benton | 42.014 | -92.205 |
Counties Keystone spans
Benton
Most common streets in Keystone
15th, 16th, 1st, 5th, 69th, 13th, 12th, 14th, 4th, 3rd
Frequently asked questions
What ZIP codes are in Keystone, IA?
Keystone, Iowa has 1 ZIP code, ranging from 52249 to 52249. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Keystone, IA in?
Keystone is in Benton county.
What are the latitude and longitude of Keystone, IA?
The approximate center of Keystone, Iowa is latitude 42.014, longitude -92.205. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Keystone, IA have?
Keystone has 1 ZIP code.
How many addresses are in Keystone, IA?
Keystone, Iowa has about 21,849 known street addresses in the sthan.io US address database.
What are the most common streets in Keystone, IA?
Some of the most common street names in Keystone are 15th, 16th, 1st, 5th, 69th, 13th.
What cities are near Keystone, IA?
Cities near Keystone include Elberon (6 mi), Van Horne (6 mi), Luzerne (7 mi), Belle Plaine (9 mi), Blairstown (9 mi).
Cities near Keystone
Elberon, IA (6 mi) Van Horne, IA (6 mi) Luzerne, IA (7 mi) Belle Plaine, IA (9 mi) Blairstown, IA (9 mi) Vining, IA (9 mi) Garrison, IA (9 mi) Clutier, IA (11 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database