Coldiron ZIP code, Kentucky
The ZIP code for Coldiron, KY is 40819, and its area code is 606.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 1 more
- Population
- 193
- Area code
- 606
- County
- Harlan County
- State
- Kentucky
NANPA lists no telephone rate centre for Coldiron itself, so these are the area codes of the nearest one, Wallins Creek (2.4 miles). A town on an area-code boundary can differ from its neighbour.
Mail addressed to Coldiron uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.
ZIP codes addressed as Coldiron
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
40819 | Coldiron , KY | Standard | 808 | $31,799 | — |
Other ZIP codes overlapping Coldiron
These ZIP codes cover part of Coldiron but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
40873 | Wallins Creek , KY | Standard | 2,167 | $33,359 | $88,900 |
Map of Coldiron ZIP codes
The ZIP codes of Coldiron, KY, 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 Coldiron
The nearest larger towns are Wallins Creek (383 people, 2.0 mi), South Wallins (765 people, 3.2 mi) and Pathfork (542 people, 4.7 mi).
| Town | Population | Distance |
|---|---|---|
| Harrogate, TN | 4,368 | 20.5 mi |
| Middlesborough | 9,123 | 21.1 mi |
| Barbourville | 3,146 | 23.9 mi |
| Tazewell, TN | 2,902 | 26.1 mi |
| New Tazewell, TN | 2,799 | 28.2 mi |
More nearby: every ZIP code in Harlan County · Kentucky ZIP codes
Cite this page
zipcodes.pro. “Coldiron, KY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ky/coldiron
Underlying data is public domain or openly licensed — sources, vintages and licences.