In which county is ZIP code 51031 located?

ZIP 51031 is listed under Plymouth, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 51031: Le Mars, IA

ZIP: 51031

County: Plymouth

Coordinates: 42.79620, -96.17040

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 51031 in Le Mars, IA. We include verified county details for Plymouth plus key geographic references used for mapping and logistics.

Primary City	Le Mars
ZIP Code	51031
County	Plymouth
State	IA
Latitude / Longitude	42.79620, -96.17040
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 51031 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 51031 is commonly represented around 42.79620, -96.17040. These coordinates help identify the general area within Plymouth, IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 51031 for mail delivery and general location reference in Plymouth, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Le Mars within IA.

Frequently Asked Questions

What is the primary city for ZIP code 51031?

The primary city for this ZIP code is Le Mars, located in IA.

In which county is 51031 located?

ZIP code 51031 is situated within Plymouth, IA.

What are the coordinates for 51031?

The approximate center point is 42.79620 (Latitude) and -96.17040 (Longitude).

Is ZIP code 51031 active?

This page lists ZIP 51031 as Listed based on the latest refresh date shown above.

Does ZIP 51031 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