In which county is ZIP code 51301 located?

ZIP 51301 is listed under Clay, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 51301: Spencer, IA

ZIP: 51301

County: Clay

Coordinates: 43.14510, -95.14570

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 51301 in Spencer, IA. We include verified county details for Clay plus key geographic references used for mapping and logistics.

Primary City	Spencer
ZIP Code	51301
County	Clay
State	IA
Latitude / Longitude	43.14510, -95.14570
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 51301 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 51301 are listed as 43.14510 / -95.14570, useful for GPS and service checks in and around Spencer, IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 51301 for mail delivery and general location reference in Clay, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Spencer within IA.

Frequently Asked Questions

What is the primary city for ZIP code 51301?

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

In which county is 51301 located?

ZIP code 51301 is situated within Clay, IA.

What are the coordinates for 51301?

The approximate center point is 43.14510 (Latitude) and -95.14570 (Longitude).

Is ZIP code 51301 active?

This page lists ZIP 51301 as Listed based on the latest refresh date shown above.

Does ZIP 51301 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