In which county is ZIP code 51523 located?

ZIP 51523 is listed under Monona, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 51523: Blencoe, IA

ZIP: 51523

County: Monona

Coordinates: 41.92370, -96.08270

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 51523, serving Blencoe in IA. It lies in Monona and supports delivery, planning, and address verification.

Primary City	Blencoe
ZIP Code	51523
County	Monona
State	IA
Latitude / Longitude	41.92370, -96.08270
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 51523 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 51523 is approximately 41.92370 (latitude) and -96.08270 (longitude). This location sits within Monona, contributing to regional planning across IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 51523 for mail delivery and general location reference in Monona, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Blencoe within IA.

Frequently Asked Questions

What is the primary city for ZIP code 51523?

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

In which county is 51523 located?

ZIP code 51523 is situated within Monona, IA.

What are the coordinates for 51523?

The approximate center point is 41.92370 (Latitude) and -96.08270 (Longitude).

Is ZIP code 51523 active?

This page lists ZIP 51523 as Listed based on the latest refresh date shown above.

Does ZIP 51523 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