County · California · United States
Alameda County ZIP codes
49 ZIP codes · 16 cities · FIPS 06001
Key facts
- State
- California (CA)
- FIPS code
- 06001
- Population
- 1,651,949
- Median household income
- $126,240
- Median age
- 38.7
- Land area
- 737.5 sq mi (1,910 km²)
- Population density
- 2,240 / sq mi
- Area codes
- 341, 415, 510, 628, 650, 831, 925
Cities and ZIP codes in Alameda County (16)
| City | ZIP codes |
|---|---|
| Oakland | 94601, 94602, 94603, 94605, 94606, 94607, 94609, 94610, 94611, 94612, 94613, 94618, 94619, 94621 |
| Berkeley | 94702, 94703, 94704, 94705, 94707, 94708, 94709, 94710, 94720 |
| Fremont | 94536, 94538, 94539, 94555 |
| Hayward | 94541, 94542, 94544, 94545 |
| San Leandro | 94577, 94578, 94579 |
| Alameda | 94501, 94502 |
| Castro Valley | 94546, 94552 |
| Livermore | 94550, 94551 |
| Pleasanton | 94566, 94588 |
| Albany | 94706 |
| Dublin | 94568 |
| Emeryville | 94608 |
| Newark | 94560 |
| San Lorenzo | 94580 |
| Sunol | 94586 |
| Union City | 94587 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.