Rock Island Zip code

Rock Island Zip code / Rock Island Postal code

Rock Island 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 Rock Island 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 Rock Island.

There are total 21 zipcode code in Rock Island and range of zipcode is 61201 to 61299. View all the zip code on map of Rock Island by clicking on our mapview appliction.

1. What is the format of zip codes in Rock Island?
Rock Island zip codes follow the standard 5-digit format, starting with the number - 612.

2. How many zip codes are there in Rock Island?
There are approximately 21 zip codes in Rock Island, covering a vast area of the county.

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