Port Costa, CA ZIP Codes, Coordinates & Counties
Port Costa, California has 1 ZIP code in Contra Costa county. The approximate center of Port Costa is 38.035, -122.192. Port Costa has about 695 known street addresses.
ZIP codes in Port Costa, CA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 94569 | Contra Costa | 38.035 | -122.192 |
Counties Port Costa spans
Contra Costa
Most common streets in Port Costa
Prospect, South, Reservoir
Frequently asked questions
What ZIP codes are in Port Costa, CA?
Port Costa, California has 1 ZIP code, ranging from 94569 to 94569. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Port Costa, CA in?
Port Costa is in Contra Costa county.
What are the latitude and longitude of Port Costa, CA?
The approximate center of Port Costa, California is latitude 38.035, longitude -122.192. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Port Costa, CA have?
Port Costa has 1 ZIP code.
How many addresses are in Port Costa, CA?
Port Costa, California has about 695 known street addresses in the sthan.io US address database.
What are the most common streets in Port Costa, CA?
Some of the most common street names in Port Costa are Prospect, South, Reservoir.
What cities are near Port Costa, CA?
Cities near Port Costa include Crockett (2 mi), Rodeo (3 mi), Martinez (4 mi), Hercules (4 mi), Benicia (5 mi).
Cities near Port Costa
Crockett, CA (2 mi) Rodeo, CA (3 mi) Martinez, CA (4 mi) Hercules, CA (4 mi) Benicia, CA (5 mi) Pinole, CA (6 mi) Vallejo, CA (6 mi) El Sobrante, CA (7 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database