Hamilton ZIP code, Colorado
The ZIP code for Hamilton, CO is 81638, and its area code is 970.
- USPS city name
- 1 ZIP code
- Population
- 69
- Area code
- 970
- County
- Moffat County
- State
- Colorado
NANPA lists no telephone rate centre for Hamilton itself, so these are the area codes of the nearest one, Craig (15.7 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Hamilton
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
81638 | Hamilton , CO | Standard | 69 | — | — |
Map of Hamilton ZIP codes
The ZIP codes of Hamilton, CO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Hamilton
The nearest larger towns are Craig (8,991 people, 16 mi), Meeker (2,580 people, 22 mi) and Hayden (2,057 people, 24 mi).
More nearby: every ZIP code in Moffat County · Colorado ZIP codes
Cite this page
zipcodes.pro. “Hamilton, CO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/co/hamilton
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