In which county is ZIP code 83440 located?

ZIP 83440 is listed under Madison, ID.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 83440: Rexburg, ID

ZIP: 83440

County: Madison

Coordinates: 43.81000, -111.78900

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Get a reliable snapshot of the Rexburg, ID postal area 83440. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Rexburg
ZIP Code	83440
County	Madison
State	ID
Latitude / Longitude	43.81000, -111.78900
ZIP Type	Standard
Time Zone	Mountain Time (MT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 83440 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 83440 is commonly represented around 43.81000, -111.78900. These coordinates help identify the general area within Madison, ID.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 83440 for mail delivery and general location reference in Madison, ID.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Rexburg within ID.

Frequently Asked Questions

What is the primary city for ZIP code 83440?

The primary city for this ZIP code is Rexburg, located in ID.

In which county is 83440 located?

ZIP code 83440 is situated within Madison, ID.

What are the coordinates for 83440?

The approximate center point is 43.81000 (Latitude) and -111.78900 (Longitude).

Is ZIP code 83440 active?

This page lists ZIP 83440 as Listed based on the latest refresh date shown above.

Does ZIP 83440 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