ZIP code 80306
Where is ZIP code 80306?
Boulder, Colorado
Boulder County · PO Box only ZIP code
ZIP code 80306 belongs to Boulder, Colorado in Boulder County. 80306 is a PO Box only ZIP code: it is used for post office boxes at the Boulder post office, not for street addresses. It is in the Mountain Time zone and uses area code 303. The closest ZIP codes are 80455 (Jamestown, 0.9 mi north), 80307 (Boulder, 1.2 mi southeast) and 80314 (Boulder, 1.2 mi southeast).
| ZIP code | 80306 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Boulder |
| State | Colorado (CO) |
| County | Boulder County |
| Time zone | Mountain Time · now |
| Area code | 303 |
| Coordinates | 40.1022, -105.3847 map |
| 3-digit prefix | 803 |
The Census Bureau doesn’t publish population figures for po box only ZIP codes because nobody lives at a PO Box or a single organization’s address. For figures about the area, see the nearby standard ZIP codes below.
ZIP codes near 80306
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 80455 | Jamestown, CO | 0.9 mi N | Standard |
| 80307 | Boulder, CO | 1.2 mi SE | PO Box only |
| 80314 | Boulder, CO | 1.2 mi SE | Unique |
| 80308 | Boulder, CO | 5.1 mi S | PO Box only |
| 80481 | Ward, CO | 6.8 mi W | Standard |
| 80304 | Boulder, CO | 7.2 mi SE | Standard |
| 80302 | Boulder, CO | 7.9 mi SE | Standard |
| 80309 | Boulder, CO | 8.5 mi SE | Unique |
| 80310 | Boulder, CO | 8.5 mi SE | Unique |
| 80301 | Boulder, CO | 9.7 mi E | Standard |
| 80533 | Hygiene, CO | 9.7 mi NE | PO Box only |
| 80540 | Lyons, CO | 9.8 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 80306 or measure the distance to another ZIP code.
How to address mail to 80306
PO BOX 123
BOULDER CO 80306
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (80306-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Boulder, CO
All Boulder ZIP codes with population and income →
Questions
- What city is ZIP code 80306?
- 80306 is a Boulder, Colorado ZIP code.
- What county is 80306 in?
- ZIP code 80306 is in Boulder County, Colorado.
- What time zone is ZIP code 80306 in?
- 80306 is in the Mountain Time zone (America/Denver).
- What area code is 80306?
- Phone numbers in ZIP code 80306 use area code 303.
- Can I use 80306 for a street address?
- No. 80306 is only for PO Boxes. Street addresses in Boulder use 80301, 80302, 80303.
- What ZIP codes are near 80306?
- The nearest ZIP codes to 80306 are 80455 (Jamestown, 0.9 miles), 80307 (Boulder, 1.2 miles), 80314 (Boulder, 1.2 miles) and 80308 (Boulder, 5.1 miles).