Arnold, MO ZIP Codes, Coordinates & Counties
Arnold, Missouri has 1 ZIP code in Jefferson county. The approximate center of Arnold is 38.429, -90.393. Arnold has about 55,766 known street addresses.
ZIP codes in Arnold, MO
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 63010 | Jefferson | 38.429 | -90.393 |
Counties Arnold spans
Jefferson
Most common streets in Arnold
Avion, Hillcrest, Elm, Miller, Gary, Richardson, Telegraph, Forest, Outer, Madison
Frequently asked questions
What ZIP codes are in Arnold, MO?
Arnold, Missouri has 1 ZIP code, ranging from 63010 to 63010. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Arnold, MO in?
Arnold is in Jefferson county.
What are the latitude and longitude of Arnold, MO?
The approximate center of Arnold, Missouri is latitude 38.429, longitude -90.393. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Arnold, MO have?
Arnold has 1 ZIP code.
How many addresses are in Arnold, MO?
Arnold, Missouri has about 55,766 known street addresses in the sthan.io US address database.
What are the most common streets in Arnold, MO?
Some of the most common street names in Arnold are Avion, Hillcrest, Elm, Miller, Gary, Richardson.
What cities are near Arnold, MO?
Cities near Arnold include Imperial (4 mi), Kimmswick (5 mi), Fenton (6 mi), Liguori (6 mi), Barnhart (7 mi).
Cities near Arnold
Imperial, MO (4 mi) Kimmswick, MO (5 mi) Fenton, MO (6 mi) Liguori, MO (6 mi) Barnhart, MO (7 mi) High Ridge, MO (8 mi) Columbia, IL (10 mi) House Springs, MO (10 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database