ZIP codes in Longmont, Colorado
Longmont has 4 ZIP codes in this directory. Each ZIP is listed with its county, population and time zone.
| ZIP | County | Population | Time zone |
|---|---|---|---|
| 80501 | Boulder | 92,088 | America/Denver |
| 80502 | Boulder | 92,088 | America/Denver |
| 80503 | Boulder | 92,088 | America/Denver |
| 80504 | Weld | 92,088 | America/Denver |
About Longmont ZIP codes
ZIP codes in Longmont are part of the USPS delivery network for Colorado. The codes above are ordered numerically; each links to a page with coordinates, nearby ZIPs and more detail. Population shown is the estimated population of the city: 92,088.