Boulder Zip Codes
Boulder is quite large and has a lot of zip codes. These zip codes help to demarcate the city into various areas. There are a number of zip codes that run in a sequential manner, making it easy to understand areas and identify them.
Boulder Zip Code Directory
- 80301
- 80302
- 80303
- 80304
- 80305
- 80306 (PO BOX)
- 80307 (PO BOX)
- 80308 (PO BOX)
- 80309 (UNIQUE)
- 80310 (UNIQUE)
- 80314 (UNIQUE)
- 80321 (UNIQUE)
- 80322 (UNIQUE)
- 80323 (UNIQUE)
- 80328 (UNIQUE)
- 80329 (UNIQUE)