Mayfield Colony ZIP codes, South Dakota
No ZIP code is named for Mayfield Colony, SD; addresses there use a neighbouring town's name. The ZIP code covering it is 57278. Its area code is 605.
- USPS city name
- 0 ZIP codes
- Overlapping the city
- 1 more
- Population
- 77
- Area code
- 605
- County
- Clark County
- State
- South Dakota
NANPA lists no telephone rate centre for Mayfield Colony itself, so these are the area codes of the nearest one, Carpenter (13.8 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes covering Mayfield Colony
These ZIP codes cover part of Mayfield Colony but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57278 | Willow Lake , SD | Standard | 1,011 | $70,208 | $220,400 |
Map of Mayfield Colony ZIP codes
The ZIP codes of Mayfield Colony, SD, 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 Mayfield Colony
The nearest larger towns are Willow Lake (433 people, 5.4 mi), Naples (96 people, 6.3 mi) and Bryant (727 people, 9.1 mi).
| Town | Population | Distance |
|---|---|---|
| Watertown | 23,044 | 25.6 mi |
More nearby: every ZIP code in Clark County · South Dakota ZIP codes
Cite this page
zipcodes.pro. “Mayfield Colony, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/mayfield-colony
Underlying data is public domain or openly licensed — sources, vintages and licences.