Summit County, Colorado ZIP codes
5ZIP codes
4Cities and towns
31,352People in ZIP areas
303, 719, 720Area codes
Summit County is in Colorado and the Mountain Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.
All ZIP codes in Summit County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 80424 | Breckenridge | Standard | 9,764 | $120,907 |
| 80435 | Dillon | Standard | 8,715 | $97,463 |
| 80443 | Frisco | PO Box only | 3,992 | $108,710 |
| 80497 | Silverthorne | PO Box only | – | – |
| 80498 | Silverthorne | Standard | 8,881 | $105,897 |
Cities and towns in Summit County
- Silverthorne 2 ZIPs
- Breckenridge 1 ZIP
- Dillon 1 ZIP
- Frisco 1 ZIP
Area codes in Summit County
Questions
- How many ZIP codes are in Summit County, CO?
- Summit County has 5 ZIP codes, 3 of them standard ZIP codes for street addresses.
- What cities are in Summit County?
- Summit County ZIP codes cover Silverthorne, Breckenridge, Dillon and Frisco.
- What area code is Summit County, CO?
- Summit County uses area codes 303, 719, 720, 970 and 983.
- What time zone is Summit County in?
- Summit County is in Mountain Time.
Other Colorado counties
- Adams County
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