In which county is ZIP code 51442 located?

ZIP 51442 is listed under Crawford, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 51442: Denison, IA

ZIP: 51442

County: Crawford

Coordinates: 42.01960, -95.36360

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 51442, serving Denison in IA. It lies in Crawford and supports delivery, planning, and address verification.

Primary City	Denison
ZIP Code	51442
County	Crawford
State	IA
Latitude / Longitude	42.01960, -95.36360
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 51442 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 51442 is approximately 42.01960 (latitude) and -95.36360 (longitude). This location sits within Crawford, contributing to regional planning across IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 51442 for mail delivery and general location reference in Crawford, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Denison within IA.

Frequently Asked Questions

What is the primary city for ZIP code 51442?

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

In which county is 51442 located?

ZIP code 51442 is situated within Crawford, IA.

What are the coordinates for 51442?

The approximate center point is 42.01960 (Latitude) and -95.36360 (Longitude).

Is ZIP code 51442 active?

This page lists ZIP 51442 as Listed based on the latest refresh date shown above.

Does ZIP 51442 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