Weld County, Colorado
35 ZIP codes · 3,984.96 sq mi of land · FIPS 08123
| Population | 350,396 |
|---|---|
| State | Colorado |
| FIPS code | 08123 |
| Time zone | Mountain |
| Land area | 3,984.96 sq mi |
| Center (lat, long) | 40.5560, -104.3837 |
Area codes in this area
These are the area codes that most often serve Weld County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
Greeley · 110,806Longmont · 99,406Windsor · 37,914Erie · 33,808Evans · 22,396Johnstown · 18,883Firestone · 18,049Frederick · 16,651DaconoMeadMillikenSeveranceAultBriggsdaleCarrEatonFort LuptonGaletonGilcrestGillHudsonKeenesburgKerseyLa SalleLucerneNunnOrchardPiercePlattevilleRoggen
ZIP codes in Weld County
80504 Longmont80514 Dacono80516 Erie80520 Firestone80530 Frederick80534 Johnstown80542 Mead80543 Milliken80546 Severance80550 Windsor80610 Ault80611 Briggsdale80612 Carr80615 Eaton80620 Evans80621 Fort Lupton80622 Galeton80623 Gilcrest80624 Gill80631 Greeley80634 Greeley80642 Hudson80643 Keenesburg80644 Kersey80645 La Salle80646 Lucerne80648 Nunn80649 Orchard80650 Pierce80651 Platteville80652 Roggen80729 Grover80732 Hereford80742 New Raymer80754 Stoneham
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.