Alameda County post codes
Codes
69About Alameda County
Alameda County is in California (CA), United States. It covers 17 places and 69 post codes in the 5 digits format.
This page contains 69 post code records. Every post code on this page maps to a single place.
Nearby counties include Contra Costa County, City and County of San Francisco County, San Mateo County. Other counties in California (CA) include Alpine County, Amador County, Butte County.
Addresses in Alameda County usually include the place, county, state, post code, and country; confirm the local order before mailing.
At a glance
Address example
Postal formats vary by country; these are the address elements.
Shared post codes
Every post code on this page maps to a single place.
Location
FAQ
How many places are in Alameda County?
17
How many post codes are in Alameda County?
69
Which state is Alameda County in?
California (CA)
What is the post code format?
5 digits