In which county is ZIP code 52140 located?

ZIP 52140 is listed under Allamakee, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 52140: Dorchester, IA

ZIP: 52140

County: Allamakee

Coordinates: 43.44210, -91.50760

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 52140, serving Dorchester in IA. It lies in Allamakee and supports delivery, planning, and address verification.

Primary City	Dorchester
ZIP Code	52140
County	Allamakee
State	IA
Latitude / Longitude	43.44210, -91.50760
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 52140 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 52140 is approximately 43.44210 (latitude) and -91.50760 (longitude). This location sits within Allamakee, contributing to regional planning across IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 52140 for mail delivery and general location reference in Allamakee, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Dorchester within IA.

Frequently Asked Questions

What is the primary city for ZIP code 52140?

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

In which county is 52140 located?

ZIP code 52140 is situated within Allamakee, IA.

What are the coordinates for 52140?

The approximate center point is 43.44210 (Latitude) and -91.50760 (Longitude).

Is ZIP code 52140 active?

This page lists ZIP 52140 as Listed based on the latest refresh date shown above.

Does ZIP 52140 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