In which county is ZIP code 50603 located?

ZIP 50603 is listed under Chickasaw, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 50603: Alta Vista, IA

ZIP: 50603

County: Chickasaw

Coordinates: 43.14820, -92.42370

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Alta Vista, IA postal area 50603. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Alta Vista
ZIP Code	50603
County	Chickasaw
State	IA
Latitude / Longitude	43.14820, -92.42370
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 50603 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 50603 is approximately 43.14820 (latitude) and -92.42370 (longitude). This location sits within Chickasaw, contributing to regional planning across IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 50603 for mail delivery and general location reference in Chickasaw, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Alta Vista within IA.

Frequently Asked Questions

What is the primary city for ZIP code 50603?

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

In which county is 50603 located?

ZIP code 50603 is situated within Chickasaw, IA.

What are the coordinates for 50603?

The approximate center point is 43.14820 (Latitude) and -92.42370 (Longitude).

Is ZIP code 50603 active?

This page lists ZIP 50603 as Listed based on the latest refresh date shown above.

Does ZIP 50603 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