Boulder, Colorado ZIP codes
What is the ZIP code for Boulder, CO?
11 ZIP codes, 80301 to 80314
5 for street addresses · 3 PO Box only · 3 for single organizations
Boulder is in Boulder County, Colorado. USPS uses 11 ZIP codes for Boulder, 5 of them for street addresses. About 128,938 people live in Boulder ZIP codes; the most populated is 80302 with 29,569 residents. The city is in the Mountain Time zone and uses area codes 303, 720 and 983.
| City | Boulder, CO |
|---|---|
| State | Colorado |
| County | Boulder County |
| ZIP codes | 11 (plus 5 retired) |
| Population (ZIP areas) | about 128,938 |
| Time zone | Mountain Time · now |
| Area codes | 303, 720, 983 |
All Boulder ZIP codes
| ZIP code | Type | Population | Median income |
|---|---|---|---|
| 80301 | Standard | 25,007 | $95,207 |
| 80302 | Standard | 29,569 | $61,698 |
| 80303 | Standard | 24,996 | $78,555 |
| 80304 | Standard | 25,383 | $126,558 |
| 80305 | Standard | 16,291 | $126,107 |
| 80306 | PO Box only | – | – |
| 80307 | PO Box only | – | – |
| 80308 | PO Box only | – | – |
| 80309 | Unique | – | – |
| 80310 | Unique | 7,692 | – |
| 80314 | Unique | – | – |
Population and income: U.S. Census Bureau, American Community Survey 5-year estimates. PO Box and single-organization ZIP codes have no residents.
Cities near Boulder
- Louisville, CO 6.3 mi
- Lafayette, CO 8.4 mi
- Jamestown, CO 9.9 mi
- Erie, CO 10.3 mi
- Broomfield, CO 11.9 mi
- Nederland, CO 12.4 mi
- Longmont, CO 13.6 mi
- Ward, CO 14 mi
- Arvada, CO 14.9 mi
- Lyons, CO 15.7 mi
Retired Boulder ZIP codes
No longer in use: 80321, 80322, 80323, 80328, 80329.
Questions
- What is the ZIP code for Boulder, CO?
- Boulder has 11 ZIP codes: 80301, 80302, 80303, 80304, 80305 and 80306 and 5 more. The right one depends on the street address.
- How many ZIP codes does Boulder have?
- 11: 5 standard ZIP codes for street addresses, 3 for PO Boxes only and 3 assigned to single organizations.
- Which Boulder ZIP code has the most people?
- 80302, with about 29,569 residents, followed by 80304 (25,383).
- What county is Boulder, CO in?
- Boulder ZIP codes are in Boulder County.
- What area code is Boulder, CO?
- Boulder uses area codes 303, 720 and 983.