Boulder Zip code

Boulder Zip code / Boulder Postal code

Boulder 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 Boulder 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 Boulder.

There are total 33 zipcode code in Boulder and range of zipcode is 80020 to 80544. View all the zip code on map of Boulder by clicking on our mapview appliction.

1. What is the format of zip codes in Boulder?
Boulder zip codes follow the standard 5-digit format, starting with the number - 800.

2. How many zip codes are there in Boulder?
There are approximately 33 zip codes in Boulder, covering a vast area of the county.

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