In which county is ZIP code 52340 located?

ZIP 52340 is listed under Johnson, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 52340: Tiffin, IA

ZIP: 52340

County: Johnson

Coordinates: 41.70180, -91.67730

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Tiffin, IA postal area 52340. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Tiffin
ZIP Code	52340
County	Johnson
State	IA
Latitude / Longitude	41.70180, -91.67730
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 52340 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 52340 is approximately 41.70180 (latitude) and -91.67730 (longitude). This location sits within Johnson, contributing to regional planning across IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 52340 for mail delivery and general location reference in Johnson, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Tiffin within IA.

Frequently Asked Questions

What is the primary city for ZIP code 52340?

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

In which county is 52340 located?

ZIP code 52340 is situated within Johnson, IA.

What are the coordinates for 52340?

The approximate center point is 41.70180 (Latitude) and -91.67730 (Longitude).

Is ZIP code 52340 active?

This page lists ZIP 52340 as Listed based on the latest refresh date shown above.

Does ZIP 52340 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