ZIP Code 80543 – Milliken, CO
Milliken, Colorado · Weld County · Mountain time
| ZIP code | 80543 |
|---|---|
| City | Milliken |
| State | Colorado |
| County | Weld County |
| Population | 9,774 |
| Time zone | Mountain · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 30.91 sq mi |
| Center (lat, long) | 40.3495, -104.8574 |
Area codes in this area
These are the area codes that most often serve ZIP 80543 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 80543
ZIP code 80543 is assigned to Milliken, Colorado. It lies in Weld County. Its Census area covers about 30.91 square miles of land. The closest neighboring ZIP is 80534 (Johnstown), about 4.4 miles away.
Every address in 80543 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources