In which county is ZIP code 51603 located?

ZIP 51603 is listed under Page, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 51603: Shenandoah, IA

ZIP: 51603

County: Page

Coordinates: 40.76560, -95.37220

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 51603 in Shenandoah, IA. We include verified county details for Page plus key geographic references used for mapping and logistics.

Primary City	Shenandoah
ZIP Code	51603
County	Page
State	IA
Latitude / Longitude	40.76560, -95.37220
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 51603 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 51603 are listed as 40.76560 / -95.37220, useful for GPS and service checks in and around Shenandoah, IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 51603 for mail delivery and general location reference in Page, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Shenandoah within IA.

Frequently Asked Questions

What is the primary city for ZIP code 51603?

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

In which county is 51603 located?

ZIP code 51603 is situated within Page, IA.

What are the coordinates for 51603?

The approximate center point is 40.76560 (Latitude) and -95.37220 (Longitude).

Is ZIP code 51603 active?

This page lists ZIP 51603 as Listed based on the latest refresh date shown above.

Does ZIP 51603 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