Castro Valley, California ZIP codes
What is the ZIP code for Castro Valley, CA?
94546, 94552
2 for street addresses
Castro Valley is in Alameda County, California. USPS uses 2 ZIP codes for Castro Valley. About 59,361 people live in Castro Valley ZIP codes; the most populated is 94546 with 44,855 residents. The city is in the Pacific Time zone and uses area codes 341, 510 and 925.
| City | Castro Valley, CA |
|---|---|
| State | California |
| County | Alameda County |
| ZIP codes | 2 |
| Population (ZIP areas) | about 59,361 |
| Time zone | Pacific Time · now |
| Area codes | 341, 510, 925 |
All Castro Valley ZIP codes
| ZIP code | Type | Population | Median income |
|---|---|---|---|
| 94546 | Standard | 44,855 | $128,385 |
| 94552 | Standard | 14,506 | $212,605 |
Population and income: U.S. Census Bureau, American Community Survey 5-year estimates. PO Box and single-organization ZIP codes have no residents.
Cities near Castro Valley
- Hayward, CA 4 mi
- San Lorenzo, CA 4.4 mi
- San Leandro, CA 4.7 mi
- Moraga, CA 7.2 mi
- Dublin, CA 7.4 mi
- San Ramon, CA 7.7 mi
- Union City, CA 8.2 mi
- Pleasanton, CA 9.7 mi
- Danville, CA 10.2 mi
- Alamo, CA 10.3 mi
Questions
- What is the ZIP code for Castro Valley, CA?
- Castro Valley has 2 ZIP codes: 94546 and 94552. The right one depends on the street address.
- How many ZIP codes does Castro Valley have?
- 2.
- Which Castro Valley ZIP code has the most people?
- 94546, with about 44,855 residents, followed by 94552 (14,506).
- What county is Castro Valley, CA in?
- Castro Valley ZIP codes are in Alameda County.
- What area code is Castro Valley, CA?
- Castro Valley uses area codes 341, 510 and 925.