'Oakland, CA' definitions:

Oakland, CA -- U.S. city in California

From: Gazetteer 2000
Name :
Oakland, CA -- U.S. city in California
Population (2000) :
399484
Housing Units (2000) :
157508
Land area (2000) :
56.055732 sq. miles (145.183672 sq. km)
Water area (2000) :
22.098421 sq. miles (57.234644 sq. km)
Total area (2000) :
78.154153 sq. miles (202.418316 sq. km)
FIPS code :
53000
Located within :
California (CA), FIPS 06
Location :
37.795227 N, 122.228111 W
ZIP Codes (1990) :
94601 94602 94603 94605 94606 94607
Note :
some ZIP codes may be omitted esp. for suburbs.