In which county is ZIP code 63630 located?

ZIP 63630 is listed under Washington, MO.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 63630: Cadet, MO

ZIP: 63630

County: Washington

Coordinates: 38.01250, -90.74390

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 63630, serving Cadet in MO. It lies in Washington and supports delivery, planning, and address verification.

Primary City	Cadet
ZIP Code	63630
County	Washington
State	MO
Latitude / Longitude	38.01250, -90.74390
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 63630 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 63630 are listed as 38.01250 / -90.74390, useful for GPS and service checks in and around Cadet, MO.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 63630 for mail delivery and general location reference in Washington, MO.

This ZIP may extend beyond the city core into nearby communities within Washington.

Related ZIP Codes (Nearby)

Explore other postal codes near Cadet within MO.

Frequently Asked Questions

What is the primary city for ZIP code 63630?

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

In which county is 63630 located?

ZIP code 63630 is situated within Washington, MO.

What are the coordinates for 63630?

The approximate center point is 38.01250 (Latitude) and -90.74390 (Longitude).

Is ZIP code 63630 active?

This page lists ZIP 63630 as Listed based on the latest refresh date shown above.

Does ZIP 63630 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