In which county is ZIP code 52556 located?

ZIP 52556 is listed under Jefferson, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 52556: Fairfield, IA

ZIP: 52556

County: Jefferson

Coordinates: 41.00390, -91.95760

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 52556 in Fairfield, IA. We include verified county details for Jefferson plus key geographic references used for mapping and logistics.

Primary City	Fairfield
ZIP Code	52556
County	Jefferson
State	IA
Latitude / Longitude	41.00390, -91.95760
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 52556 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 52556 is approximately 41.00390 (latitude) and -91.95760 (longitude). This location sits within Jefferson, contributing to regional planning across IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 52556 for mail delivery and general location reference in Jefferson, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Fairfield within IA.

Frequently Asked Questions

What is the primary city for ZIP code 52556?

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

In which county is 52556 located?

ZIP code 52556 is situated within Jefferson, IA.

What are the coordinates for 52556?

The approximate center point is 41.00390 (Latitude) and -91.95760 (Longitude).

Is ZIP code 52556 active?

This page lists ZIP 52556 as Listed based on the latest refresh date shown above.

Does ZIP 52556 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