| Business | Phone |
| Sioux County Board-Social Wlfr 215 Central Ave Se, Orange City 51041 | (712) 737-2999 |
| Sioux County Communication Ctr 4363 Ironwood Ave, Orange City 51041 | (712) 737-3307 |
| Sioux County Community Svc 210 Central Ave Sw, Orange City 51041 | (712) 737-2999 |
| Sioux County Engineer 207 Central Ave Se, Orange City 51041 | (712) 737-2248 |
| Sioux County Extension Svc 805 Highway 10 W, Orange City 51041 | (712) 737-4230 |
| Sioux County Quonset 4373 Ironwood Ave, Orange City 51041 | (712) 737-4304 |
| Sioux County Recorder 210 Central Ave Sw, Orange City 51041 | (712) 737-2229 |