Contra Costa Zip code

Contra Costa Zip code / Contra Costa Postal code

Contra Costa Zip code, introduced by the United States Postal Service (USPS) in 1963, are numerical codes used to identify specific geographic regions for mail delivery. and Contra Costa zip code used a 5-digit postal format XXXXX, The first 3 digit represent the postal delivery zone code, and last 2 digit represent the Post office in the Contra Costa.

There are total 52 zipcode code in Contra Costa and range of zipcode is 94505 to 94850. View all the zip code on map of Contra Costa by clicking on our mapview appliction.

1. What is the format of zip codes in Contra Costa?
Contra Costa zip codes follow the standard 5-digit format, starting with the number - 945.

2. How many zip codes are there in Contra Costa?
There are approximately 52 zip codes in Contra Costa, covering a vast area of the county.

3. Do all areas in Contra Costa have zip codes?
Yes, almost all populated areas in Contra Costa are assigned a unique zip code for mail delivery purposes.