In which county is ZIP code 51243 located?

ZIP 51243 is listed under Lyon, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 51243: Little Rock, IA

ZIP: 51243

County: Lyon

Coordinates: 43.44960, -95.89260

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Little Rock, IA postal area 51243. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Little Rock
ZIP Code	51243
County	Lyon
State	IA
Latitude / Longitude	43.44960, -95.89260
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 51243 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 51243 is commonly represented around 43.44960, -95.89260. These coordinates help identify the general area within Lyon, IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 51243 for mail delivery and general location reference in Lyon, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Little Rock within IA.

Frequently Asked Questions

What is the primary city for ZIP code 51243?

The primary city for this ZIP code is Little Rock, located in IA.

In which county is 51243 located?

ZIP code 51243 is situated within Lyon, IA.

What are the coordinates for 51243?

The approximate center point is 43.44960 (Latitude) and -95.89260 (Longitude).

Is ZIP code 51243 active?

This page lists ZIP 51243 as Listed based on the latest refresh date shown above.

Does ZIP 51243 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