In which county is ZIP code 94621 located?

ZIP 94621 is listed under Alameda County, CA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 94621: Oakland, CA

ZIP: 94621

County: Alameda County

Coordinates: 37.75890, -122.18530

ZIP Type: Standard

Time Zone: Pacific Time (PT)

This profile provides an in-depth look at ZIP code 94621, serving Oakland in CA. It lies in Alameda County and supports delivery, planning, and address verification.

Primary City	Oakland
ZIP Code	94621
County	Alameda County
State	CA
Latitude / Longitude	37.75890, -122.18530
ZIP Type	Standard
Time Zone	Pacific Time (PT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 94621 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 94621 are listed as 37.75890 / -122.18530, useful for GPS and service checks in and around Oakland, CA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 94621 for mail delivery and general location reference in Alameda County, CA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Oakland within CA.

Frequently Asked Questions

What is the primary city for ZIP code 94621?

The primary city for this ZIP code is Oakland, located in CA.

In which county is 94621 located?

ZIP code 94621 is situated within Alameda County, CA.

What are the coordinates for 94621?

The approximate center point is 37.75890 (Latitude) and -122.18530 (Longitude).

Is ZIP code 94621 active?

This page lists ZIP 94621 as Listed based on the latest refresh date shown above.

Does ZIP 94621 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