ZIP code 91310: Castaic, CA
91310 is a PO Box or single-organization ZIP code in Castaic, California, mainly in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metro area.
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ZIP codes within 10 milesWithin 25 miles
ZIP code 91310 details
| City | Castaic |
|---|---|
| State | California |
| County | Los Angeles County |
| Metro area | Los Angeles-Long Beach-Anaheim, CA |
| Time zone | Pacific Time (UTC−8), observes daylight saving time |
| Type | PO Box / single organization |
| Center coordinates | 34.48890, -118.62290 |
ZIP codes near 91310
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 91385 | Valencia, CA | 3.2 mi | — |
| 91384 | Castaic, CA | 3.4 mi | 26,478 |
| 91354 | Valencia, CA | 4.4 mi | 33,957 |
| 91355 | Valencia, CA | 6.7 mi | 29,123 |
| 91350 | Santa Clarita, CA | 7.9 mi | 43,973 |
| 91381 | Stevenson Ranch, CA | 8.0 mi | 22,582 |
| 91383 | Santa Clarita, CA | 8.1 mi | — |
| 91380 | Santa Clarita, CA | 8.1 mi | — |
About ZIP code 91310
What city is ZIP code 91310?
ZIP code 91310 is in Castaic, CA, in Los Angeles County.
What county is ZIP code 91310 in?
91310 is mainly in Los Angeles County, California.
Why doesn't 91310 have a population?
91310 is a PO Box or single-organization ZIP code. It has a post office location but no residential delivery area, so the Census Bureau reports no population for it.
What time zone is ZIP code 91310 in?
91310 is in Pacific Time (UTC−8). It observes daylight saving time.
What other ZIP codes does Castaic have?
Castaic, CA also uses 91384.