In which county is ZIP code 66023 located?

ZIP 66023 is listed under Atchison, KS.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 66023: Effingham, KS

ZIP: 66023

County: Atchison

Coordinates: 39.52220, -95.40080

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 66023 in Effingham, KS. We include verified county details for Atchison plus key geographic references used for mapping and logistics.

Primary City	Effingham
ZIP Code	66023
County	Atchison
State	KS
Latitude / Longitude	39.52220, -95.40080
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 66023 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 66023 are listed as 39.52220 / -95.40080, useful for GPS and service checks in and around Effingham, KS.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 66023 for mail delivery and general location reference in Atchison, KS.

Some addresses near Effingham may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Effingham within KS.

Frequently Asked Questions

What is the primary city for ZIP code 66023?

The primary city for this ZIP code is Effingham, located in KS.

In which county is 66023 located?

ZIP code 66023 is situated within Atchison, KS.

What are the coordinates for 66023?

The approximate center point is 39.52220 (Latitude) and -95.40080 (Longitude).

Is ZIP code 66023 active?

This page lists ZIP 66023 as Listed based on the latest refresh date shown above.

Does ZIP 66023 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