ZIP Code 57223 – Castlewood, South Dakota | ZipsCode.us
Home / South Dakota ZIP Codes / ZIP Code 57223
ZIP Code 57223
Castlewood, South Dakota · Hamlin
ZIP code 57223 belongs to the city of Castlewood in South Dakota (Hamlin). See all South Dakota ZIP Codes.
ZIP code 57223 belongs to Castlewood, South Dakota, in Hamlin. If you are mailing a letter or package to this area, use Castlewood, SD 57223 in the address. On this page you will find the city and county for 57223, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 57223?
The city for ZIP code 57223 is Castlewood, South Dakota. When you write an address in this area, the correct format is: Name, Street Address, Castlewood, SD 57223.
ZIP Code 57223 County and State
ZIP code 57223 is located in Hamlin, South Dakota. For a complete list of cities and ZIP codes across the state, see the South Dakota ZIP Codes page.
Nearby ZIP Codes in Hamlin
These ZIP codes are in the same county as 57223:
ZIP Code 57223 on the Map
The map below shows the approximate center of ZIP code 57223, near Castlewood, South Dakota. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 44.7313, -97.0204). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 57223
According to public U.S. Census Bureau data, ZIP code 57223 is home to a community in South Dakota. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 57223
Need the full ZIP+4 code for a specific street address in Castlewood? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 57223?
ZIP code 57223 is for Castlewood, South Dakota.
What county is ZIP code 57223 in?
ZIP code 57223 is in Hamlin, South Dakota.
What state is ZIP code 57223 in?
ZIP code 57223 is in South Dakota (SD).
How do I find the ZIP+4 for an address in 57223?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 57223?
Nearby ZIP codes include 57221 (Bryant), 57234 (Estelline), 57241 (Hayti), 57242 (Hazel), 57248 (Lake Norden).
Related ZIP Code Tools
Find the ZIP code for any U.S. street address.
See which city and county any ZIP code belongs to.
Get the full 9-digit ZIP code for precise delivery.
Track packages sent to or from any U.S. address.
Search any U.S. ZIP code, city or address — free.