In which county is ZIP code 50638 located?

ZIP 50638 is listed under Grundy, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 50638: Grundy Center, IA

ZIP: 50638

County: Grundy

Coordinates: 42.36720, -92.77730

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Grundy Center, IA postal area 50638. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Grundy Center
ZIP Code	50638
County	Grundy
State	IA
Latitude / Longitude	42.36720, -92.77730
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 50638 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 50638 is approximately 42.36720 (latitude) and -92.77730 (longitude). This location sits within Grundy, contributing to regional planning across IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 50638 for mail delivery and general location reference in Grundy, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Grundy Center within IA.

Frequently Asked Questions

What is the primary city for ZIP code 50638?

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

In which county is 50638 located?

ZIP code 50638 is situated within Grundy, IA.

What are the coordinates for 50638?

The approximate center point is 42.36720 (Latitude) and -92.77730 (Longitude).

Is ZIP code 50638 active?

This page lists ZIP 50638 as Listed based on the latest refresh date shown above.

Does ZIP 50638 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