In which county is ZIP code 83431 located?

ZIP 83431 is listed under Jefferson, ID.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 83431: Lewisville, ID

ZIP: 83431

County: Jefferson

Coordinates: 43.67250, -112.01890

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Explore detailed information for ZIP code 83431 in Lewisville, ID. We include verified county details for Jefferson plus key geographic references used for mapping and logistics.

Primary City	Lewisville
ZIP Code	83431
County	Jefferson
State	ID
Latitude / Longitude	43.67250, -112.01890
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 83431 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 83431 is commonly represented around 43.67250, -112.01890. These coordinates help identify the general area within Jefferson, ID.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 83431 for mail delivery and general location reference in Jefferson, ID.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Lewisville within ID.

Frequently Asked Questions

What is the primary city for ZIP code 83431?

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

In which county is 83431 located?

ZIP code 83431 is situated within Jefferson, ID.

What are the coordinates for 83431?

The approximate center point is 43.67250 (Latitude) and -112.01890 (Longitude).

Is ZIP code 83431 active?

This page lists ZIP 83431 as Listed based on the latest refresh date shown above.

Does ZIP 83431 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