In which county is ZIP code 51537 located?

ZIP 51537 is listed under Shelby, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 51537: Harlan, IA

ZIP: 51537

County: Shelby

Coordinates: 41.64370, -95.31110

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Harlan, IA postal area 51537. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Harlan
ZIP Code	51537
County	Shelby
State	IA
Latitude / Longitude	41.64370, -95.31110
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 51537 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 51537 is approximately 41.64370 (latitude) and -95.31110 (longitude). This location sits within Shelby, contributing to regional planning across IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 51537 for mail delivery and general location reference in Shelby, IA.

This ZIP may extend beyond the city core into nearby communities within Shelby.

Related ZIP Codes (Nearby)

Explore other postal codes near Harlan within IA.

Frequently Asked Questions

What is the primary city for ZIP code 51537?

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

In which county is 51537 located?

ZIP code 51537 is situated within Shelby, IA.

What are the coordinates for 51537?

The approximate center point is 41.64370 (Latitude) and -95.31110 (Longitude).

Is ZIP code 51537 active?

This page lists ZIP 51537 as Listed based on the latest refresh date shown above.

Does ZIP 51537 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