ZIP Code 57542: Iona, South Dakota
Iona, SD uses ZIP code 57542, which falls within Lyman County, South Dakota. Its reference point is at latitude 43.5758 and longitude -99.4881 (43°34'32.9"N 99°29'17.2"W).
Location Overview of ZIP Code 57542
57542 is the only ZIP code listed for Iona, SD in our directory.
Across Lyman County there are 7 ZIP codes listed, and South Dakota has 430 in total.
The nearest listed ZIP code is 57534 in Hamill, SD, about 11 mi to the northwest.
| ZIP code | 57542 |
|---|---|
| City | Iona |
| County | Lyman County |
| State | South Dakota (SD) |
| Latitude | 43.5758 |
| Longitude | -99.4881 |
| DMS | 43°34'32.9"N 99°29'17.2"W |
| Nearest ZIP | 57534 (Hamill, 11 mi) |
Map of ZIP Code 57542
Map centered on 43.5758, -99.4881. The pin marks the ZIP code's reference point, not its boundary.
ZIP Codes Near 57542
These 11 ZIP codes have the closest reference points to 57542, measured in a straight line.
Nearby Cities and Towns
The closest communities to ZIP code 57542, measured in a straight line from its reference point, are Hamill, SD (11 mi northwest), Oacoma, SD (16 mi north) and Chamberlain, SD (18 mi northeast). Distances are approximate and road distances will be longer.
- Hamill, SD – 11 mi northwest
- Oacoma, SD – 16 mi north
- Chamberlain, SD – 18 mi northeast
- Reliance, SD – 18 mi north
- Pukwana, SD – 21 mi northeast
- Ideal, SD – 22 mi west
- Winner, SD – 23 mi southwest
- Dallas, SD – 24 mi south
- Carter, SD – 24 mi southwest
- Wewela, SD – 24 mi southwest
Schools Near Iona, SD
Public school assignments in the United States are based on street address, so families in ZIP code 57542 should confirm their assigned school with the school district that serves Iona and Lyman County.
Searching nearby communities such as Hamill and Oacoma can widen the list of public, private and charter options. The links below open live Google Maps results centered on 57542.
Parks and Outdoor Recreation
Parks, trails and playgrounds around Iona, SD are easiest to find on the map above or with the searches below, which are centered on ZIP code 57542.
Hospitals and Healthcare
Hospitals, urgent care clinics and pharmacies serving Iona, SD can be found with the searches below. In a medical emergency, call 911.
Residents of ZIP code 57542 may also use facilities in nearby Hamill, Oacoma and Chamberlain.
Shopping and Dining in Iona
Restaurants, grocery stores and shopping centers in and around ZIP code 57542 are listed in the Google Maps searches below, with current hours and reviews.
Libraries and Historical Places
Public libraries, museums and historic sites near Iona, South Dakota can be found with the searches below, which are centered on ZIP code 57542.
To research local history, try searching for Lyman County records and archives along with the name Iona.
Roads, Rivers and Lakes
From ZIP code 57542, Hamill lies about 11 mi to the northwest, Oacoma lies about 16 mi to the north, Chamberlain lies about 18 mi to the northeast, Reliance lies about 18 mi to the north and Pukwana lies about 21 mi to the northeast. Use the directions link for turn-by-turn routes and road names.
Rivers, lakes and other water features near Iona show up on the map above, or you can search for them directly.
Frequently Asked Questions About ZIP Code 57542
Data for ZIP code 57542 comes from a public U.S. postal code dataset and is provided for general reference. Always confirm mailing details with the U.S. Postal Service.