In which county is ZIP code 51439 located?

ZIP 51439 is listed under Crawford, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 51439: Charter Oak, IA

ZIP: 51439

County: Crawford

Coordinates: 42.07070, -95.59920

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 51439, serving Charter Oak in IA. It lies in Crawford and supports delivery, planning, and address verification.

Primary City	Charter Oak
ZIP Code	51439
County	Crawford
State	IA
Latitude / Longitude	42.07070, -95.59920
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 51439 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 51439 is commonly represented around 42.07070, -95.59920. These coordinates help identify the general area within Crawford, IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 51439 for mail delivery and general location reference in Crawford, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Charter Oak within IA.

Frequently Asked Questions

What is the primary city for ZIP code 51439?

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

In which county is 51439 located?

ZIP code 51439 is situated within Crawford, IA.

What are the coordinates for 51439?

The approximate center point is 42.07070 (Latitude) and -95.59920 (Longitude).

Is ZIP code 51439 active?

This page lists ZIP 51439 as Listed based on the latest refresh date shown above.

Does ZIP 51439 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