In which county is ZIP code 83450 located?

ZIP 83450 is listed under Jefferson, ID.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 83450: Terreton, ID

ZIP: 83450

County: Jefferson

Coordinates: 43.85860, -112.42000

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Explore detailed information for ZIP code 83450 in Terreton, ID. We include verified county details for Jefferson plus key geographic references used for mapping and logistics.

Primary City	Terreton
ZIP Code	83450
County	Jefferson
State	ID
Latitude / Longitude	43.85860, -112.42000
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 83450 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 83450 is commonly represented around 43.85860, -112.42000. These coordinates help identify the general area within Jefferson, ID.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 83450 for mail delivery and general location reference in Jefferson, ID.

Some addresses near Terreton may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Terreton within ID.

Frequently Asked Questions

What is the primary city for ZIP code 83450?

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

In which county is 83450 located?

ZIP code 83450 is situated within Jefferson, ID.

What are the coordinates for 83450?

The approximate center point is 43.85860 (Latitude) and -112.42000 (Longitude).

Is ZIP code 83450 active?

This page lists ZIP 83450 as Listed based on the latest refresh date shown above.

Does ZIP 83450 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