In which county is ZIP code 80121 located?

ZIP 80121 is listed under Arapahoe County, CO.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 80121: Littleton, CO

ZIP: 80121

County: Arapahoe County

Coordinates: 39.61110, -104.95320

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Get a reliable snapshot of the Littleton, CO postal area 80121. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Littleton
ZIP Code	80121
County	Arapahoe County
State	CO
Latitude / Longitude	39.61110, -104.95320
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 80121 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 80121 are listed as 39.61110 / -104.95320, useful for GPS and service checks in and around Littleton, CO.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 80121 for mail delivery and general location reference in Arapahoe County, CO.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Littleton within CO.

Frequently Asked Questions

What is the primary city for ZIP code 80121?

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

In which county is 80121 located?

ZIP code 80121 is situated within Arapahoe County, CO.

What are the coordinates for 80121?

The approximate center point is 39.61110 (Latitude) and -104.95320 (Longitude).

Is ZIP code 80121 active?

This page lists ZIP 80121 as Listed based on the latest refresh date shown above.

Does ZIP 80121 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