Longmont, Colorado ZIP codes
What is the ZIP code for Longmont, CO?
80501, 80502, 80503, 80504
3 for street addresses · 1 PO Box only
Longmont is in Boulder County, Colorado. USPS uses 4 ZIP codes for Longmont, 3 of them for street addresses. About 143,444 people live in Longmont ZIP codes; the most populated is 80504 with 63,451 residents. The city is in the Mountain Time zone and uses area codes 303, 720, 983 and 970.
| City | Longmont, CO |
|---|---|
| State | Colorado |
| County | Boulder County |
| ZIP codes | 4 |
| Population (ZIP areas) | about 143,444 |
| Time zone | Mountain Time · now |
| Area codes | 303, 720, 983, 970 |
All Longmont ZIP codes
| ZIP code | Type | Population | Median income |
|---|---|---|---|
| 80501 | Standard | 44,147 | $80,911 |
| 80502 | PO Box only | – | – |
| 80503 | Standard | 35,846 | $113,620 |
| 80504 | Standard | 63,451 | $113,643 |
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 Longmont
- Erie, CO 6.6 mi
- Mead, CO 6.7 mi
- Frederick, CO 8.5 mi
- Dacono, CO 8.9 mi
- Berthoud, CO 10.1 mi
- Lafayette, CO 10.9 mi
- Louisville, CO 12.8 mi
- Boulder, CO 13.6 mi
- Lyons, CO 14.4 mi
- Fort Lupton, CO 14.6 mi
Questions
- What is the ZIP code for Longmont, CO?
- Longmont has 4 ZIP codes: 80501, 80502, 80503 and 80504. The right one depends on the street address.
- How many ZIP codes does Longmont have?
- 4: 3 standard ZIP codes for street addresses, 1 for PO Boxes only.
- Which Longmont ZIP code has the most people?
- 80504, with about 63,451 residents, followed by 80501 (44,147).
- What county is Longmont, CO in?
- Longmont ZIP codes are in Boulder County.
- What area code is Longmont, CO?
- Longmont uses area codes 303, 720, 983 and 970.