In which county is ZIP code 50120 located?

ZIP 50120 is listed under Marshall, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 50120: Haverhill, IA

ZIP: 50120

County: Marshall

Coordinates: 41.93370, -92.98290

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 50120, serving Haverhill in IA. It lies in Marshall and supports delivery, planning, and address verification.

Primary City	Haverhill
ZIP Code	50120
County	Marshall
State	IA
Latitude / Longitude	41.93370, -92.98290
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 50120 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 50120 are listed as 41.93370 / -92.98290, useful for GPS and service checks in and around Haverhill, IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 50120 for mail delivery and general location reference in Marshall, IA.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Haverhill.

Related ZIP Codes (Nearby)

Explore other postal codes near Haverhill within IA.

Frequently Asked Questions

What is the primary city for ZIP code 50120?

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

In which county is 50120 located?

ZIP code 50120 is situated within Marshall, IA.

What are the coordinates for 50120?

The approximate center point is 41.93370 (Latitude) and -92.98290 (Longitude).

Is ZIP code 50120 active?

This page lists ZIP 50120 as Listed based on the latest refresh date shown above.

Does ZIP 50120 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