Eureka Zip code

Eureka Zip code / Eureka Postal code

Eureka 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 Eureka 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 Eureka.

There are total 2 zipcode code in Eureka and range of zipcode is 89316 to 89821. View all the zip code on map of Eureka by clicking on our mapview appliction.

1. What is the format of zip codes in Eureka?
Eureka zip codes follow the standard 5-digit format, starting with the number - 893.

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

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