In which county is ZIP code 80543 located?

ZIP 80543 is listed under Weld, CO.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 80543: Milliken, CO

ZIP: 80543

County: Weld

Coordinates: 40.32940, -104.85520

ZIP Type: Standard

Time Zone: Mountain Time (MT)

This profile provides an in-depth look at ZIP code 80543, serving Milliken in CO. It lies in Weld and supports delivery, planning, and address verification.

Primary City	Milliken
ZIP Code	80543
County	Weld
State	CO
Latitude / Longitude	40.32940, -104.85520
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 80543 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 80543 is commonly represented around 40.32940, -104.85520. These coordinates help identify the general area within Weld, CO.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 80543 for mail delivery and general location reference in Weld, CO.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Milliken within CO.

Frequently Asked Questions

What is the primary city for ZIP code 80543?

The primary city for this ZIP code is Milliken, located in CO.

In which county is 80543 located?

ZIP code 80543 is situated within Weld, CO.

What are the coordinates for 80543?

The approximate center point is 40.32940 (Latitude) and -104.85520 (Longitude).

Is ZIP code 80543 active?

This page lists ZIP 80543 as Listed based on the latest refresh date shown above.

Does ZIP 80543 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