Castaic, CA ZIP Codes, Coordinates & Counties
Castaic, California has 1 ZIP code in Los Angeles county. The approximate center of Castaic is 34.531, -118.686. Castaic has about 38,592 known street addresses.
ZIP codes in Castaic, CA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 91384 | Los Angeles | 34.531 | -118.686 |
Counties Castaic spans
Los Angeles
Most common streets in Castaic
Lincoln, Cherry, San Martinez Grande Canyon, Cambridge, Arlington, Parker, Lexington, Royal, Franklin, Castaic
Frequently asked questions
What ZIP codes are in Castaic, CA?
Castaic, California has 1 ZIP code, ranging from 91384 to 91384. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Castaic, CA in?
Castaic is in Los Angeles county.
What are the latitude and longitude of Castaic, CA?
The approximate center of Castaic, California is latitude 34.531, longitude -118.686. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Castaic, CA have?
Castaic has 1 ZIP code.
How many addresses are in Castaic, CA?
Castaic, California has about 38,592 known street addresses in the sthan.io US address database.
What are the most common streets in Castaic, CA?
Some of the most common street names in Castaic are Lincoln, Cherry, San Martinez Grande Canyon, Cambridge, Arlington, Parker.
What cities are near Castaic, CA?
Cities near Castaic include Piru (7 mi), Valencia (9 mi), Stevenson Ranch (11 mi), Lake Hughes (13 mi), Santa Clarita (14 mi).
Cities near Castaic
Piru, CA (7 mi) Valencia, CA (9 mi) Stevenson Ranch, CA (11 mi) Lake Hughes, CA (13 mi) Santa Clarita, CA (14 mi) Fillmore, CA (15 mi) Newhall, CA (16 mi) Canyon Country, CA (17 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database