In which county is ZIP code 51239 located?

ZIP 51239 is listed under Sioux, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 51239: Hull, IA

ZIP: 51239

County: Sioux

Coordinates: 43.19520, -96.13920

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 51239 in Hull, IA. We include verified county details for Sioux plus key geographic references used for mapping and logistics.

Primary City	Hull
ZIP Code	51239
County	Sioux
State	IA
Latitude / Longitude	43.19520, -96.13920
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 51239 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 51239 is approximately 43.19520 (latitude) and -96.13920 (longitude). This location sits within Sioux, contributing to regional planning across IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 51239 for mail delivery and general location reference in Sioux, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Hull within IA.

Frequently Asked Questions

What is the primary city for ZIP code 51239?

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

In which county is 51239 located?

ZIP code 51239 is situated within Sioux, IA.

What are the coordinates for 51239?

The approximate center point is 43.19520 (Latitude) and -96.13920 (Longitude).

Is ZIP code 51239 active?

This page lists ZIP 51239 as Listed based on the latest refresh date shown above.

Does ZIP 51239 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