Northglenn, CO ZIP Codes
Northglenn, Colorado has 4 ZIP codes: 4 for street addresses (, , and ).
Your street decides which one you use.
Which Northglenn ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Northglenn ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: Northglenn city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Northglenn ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 80233 | street delivery; mail may be addressed to Denver Northglenn |
| 80234 | street delivery; mail may be addressed to Denver Northview |
| 80260 | street delivery; mail may be addressed to Denver North Pecos |
| 80603 | street delivery; mail may be addressed to Brighton Brighton |
ZIP codes from nearby towns that reach into Northglenn
- 80241, mailing town Thornton, covers 3 percent of Northglenn
Why your mail may say Northglenn when you live outside it
Northglenn ZIP codes also cover Lochbuie, Dacono and Federal Heights, so a letter addressed to Northglenn can go to a home outside the city limits.
The reverse happens too: parts of Northglenn use 80241, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Adams County property records show which city you are in.
Northglenn ZIP code questions
What is the main ZIP code for Northglenn?
80233, the ZIP code of the main Northglenn post office at 11887 Washington St.
What county is Northglenn in?
Adams County, with parts in Weld County.
ZIP codes for towns near Northglenn
More towns near Northglenn: Arvada, Brighton, Wheat Ridge, Denver, Boulder, Lakewood, Englewood, Longmont, Dakota Ridge.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections