Amherst ZIP code, Colorado
The ZIP code for Amherst, CO is 80721, and its area code is 970.
- USPS city name
- 1 ZIP code
- Population
- 82
- Area code
- 970
- County
- Phillips County
- State
- Colorado
NANPA lists no telephone rate centre for Amherst itself, so these are the area codes of the nearest one, Holyoke (13.7 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Amherst
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
80721 | Amherst , CO | Standard | 257 | $104,167 | $326,100 |
Map of Amherst ZIP codes
The ZIP codes of Amherst, 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 Amherst
The nearest larger towns are Venango, NE (182 people, 8.7 mi), Holyoke (2,382 people, 9.6 mi) and Julesburg (1,181 people, 21 mi).
More nearby: every ZIP code in Phillips County · Colorado ZIP codes
Cite this page
zipcodes.pro. “Amherst, CO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/co/amherst
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