In which county is ZIP code 63010 located?

ZIP 63010 is listed under Jefferson, MO.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 63010: Arnold, MO

ZIP: 63010

County: Jefferson

Coordinates: 38.43050, -90.38700

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Arnold, MO postal area 63010. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Arnold
ZIP Code	63010
County	Jefferson
State	MO
Latitude / Longitude	38.43050, -90.38700
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 63010 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 63010 is commonly represented around 38.43050, -90.38700. These coordinates help identify the general area within Jefferson, MO.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 63010 for mail delivery and general location reference in Jefferson, MO.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Arnold.

Related ZIP Codes (Nearby)

Explore other postal codes near Arnold within MO.

Frequently Asked Questions

What is the primary city for ZIP code 63010?

The primary city for this ZIP code is Arnold, located in MO.

In which county is 63010 located?

ZIP code 63010 is situated within Jefferson, MO.

What are the coordinates for 63010?

The approximate center point is 38.43050 (Latitude) and -90.38700 (Longitude).

Is ZIP code 63010 active?

This page lists ZIP 63010 as Listed based on the latest refresh date shown above.

Does ZIP 63010 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08