Alamat dan Poskod
- Alamat : Jefferson, Union, South Dakota
- Poskod : 57038
- Rantau 1 : South Dakota
- Rantau 2 : Union
- Rantau 3 : Jefferson
- Negara : Amerika Syarikat
- Kod rantau (ISO2) : : US-SD
- Bahasa : : English (EN)
- Zon masa : : America/Chicago
- Coordinated Universal Time : : UTC-6
- Masa penjimatan hari siang : : Yes (Y)
- Jefferson, Union, South Dakota, Poskod : 57038,Terletak di ,Jefferson,Union,South Dakota Amerika Syarikat
Peta
Berkaitan
- 57049 - McCook Lake, Union, South Dakota
- 57049 - North Sioux City, Union, South Dakota
- 57420 - Akaska, Walworth, South Dakota
- 57631 - Glenham, Walworth, South Dakota
- 57452 - Java, Walworth, South Dakota
- 57472 - Lowry, Walworth, South Dakota
- 57601 - Mobridge, Walworth, South Dakota
- 57472 - Selby, Walworth, South Dakota