Boulder, CO ZIP Codes, Coordinates & Counties
Boulder, Colorado has 6 ZIP codes in Boulder county. The approximate center of Boulder is 40.014, -105.264. Boulder has about 580,334 known street addresses.
ZIP codes in Boulder, CO
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 80301 | Boulder | 40.049 | -105.2 |
| 80302 | Boulder | 40.039 | -105.369 |
| 80303 | Boulder | 39.974 | -105.213 |
| 80304 | Boulder | 40.045 | -105.29 |
| 80305 | Boulder | 39.975 | -105.249 |
| 80310 | Boulder | 40.004 | -105.261 |
Counties Boulder spans
Boulder
Most common streets in Boulder
Arapahoe, Wallstreet, Pearl, Boulder Canyon, Linden, Broadway, 28th, Walnut, 19th, Spruce
Frequently asked questions
What ZIP codes are in Boulder, CO?
Boulder, Colorado has 6 ZIP codes, ranging from 80301 to 80310. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Boulder, CO in?
Boulder is in Boulder county.
What are the latitude and longitude of Boulder, CO?
The approximate center of Boulder, Colorado is latitude 40.014, longitude -105.264. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Boulder, CO have?
Boulder has 6 ZIP codes.
How many addresses are in Boulder, CO?
Boulder, Colorado has about 580,334 known street addresses in the sthan.io US address database.
What are the most common streets in Boulder, CO?
Some of the most common street names in Boulder are Arapahoe, Wallstreet, Pearl, Boulder Canyon, Linden, Broadway.
What cities are near Boulder, CO?
Cities near Boulder include Eldorado Springs (5 mi), Louisville (7 mi), Niwot (8 mi), Lafayette (9 mi), Pinecliffe (10 mi).
Cities near Boulder
Eldorado Springs, CO (5 mi) Louisville, CO (7 mi) Niwot, CO (8 mi) Lafayette, CO (9 mi) Pinecliffe, CO (10 mi) Jamestown, CO (10 mi) Broomfield, CO (12 mi) Erie, CO (13 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database