In which county is ZIP code 51340 located?

ZIP 51340 is listed under Clay, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 51340: Fostoria, IA

ZIP: 51340

County: Clay

Coordinates: 43.08240, -95.15110

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 51340, serving Fostoria in IA. It lies in Clay and supports delivery, planning, and address verification.

Primary City	Fostoria
ZIP Code	51340
County	Clay
State	IA
Latitude / Longitude	43.08240, -95.15110
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 51340 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 51340 is commonly represented around 43.08240, -95.15110. These coordinates help identify the general area within Clay, IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 51340 for mail delivery and general location reference in Clay, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Fostoria within IA.

Frequently Asked Questions

What is the primary city for ZIP code 51340?

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

In which county is 51340 located?

ZIP code 51340 is situated within Clay, IA.

What are the coordinates for 51340?

The approximate center point is 43.08240 (Latitude) and -95.15110 (Longitude).

Is ZIP code 51340 active?

This page lists ZIP 51340 as Listed based on the latest refresh date shown above.

Does ZIP 51340 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