ZIP code 65440: Osage, MO
ZIP code 65440 is in Dent County (70%), Reynolds County (28%) and Iron County (1.6%), Missouri, outside any city or Census-designated place. It is in Missouri's 8th congressional district. Its state senate districts are State Senate District 16 (70%) and State Senate District 27 (30%); its state house districts are State House District 120 (70%) and State House District 144 (30%).
See it on the mapAll of Missouri
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Dent County | 70% |
| Reynolds County | 28% |
| Iron County | 1.6% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Osage township | 64% |
| Black River township | 22% |
| Meramec township | 6.5% |
| Carroll township | 6.5% |
| Dent township | 1.6% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Missouri's 8th congressional district (MO-08) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MO-08) | Jason Smith (R) | 202-225-4404 | 100% |
| U.S. Senator | Eric Schmitt (R) | 202-224-5721 · contact form | statewide |
| U.S. Senator | Josh Hawley (R) | 202-224-6154 · contact form | statewide |
| State Senator (State Senate District 16) | Justin Brown (R) | 70% | |
| State Senator (State Senate District 27) | Jamie Burger (R) | 30% | |
| State Representative (State House District 120) | John Hewkin (R) | 70% | |
| State Representative (State House District 144) | Tony Harbison (R) | 30% |
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Dent County website: https://www.salemmo.com/dent/
- Dent County laws: search for the Dent County, Missouri code of ordinances
- Reynolds County laws: search for the Reynolds County, Missouri code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 16 | 70% |
| State Senate District 27 | 30% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 120 | 70% |
| State House District 144 | 30% |
Voting precincts
5 voting precincts overlap ZIP 65440. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:65440")
ZIP 65440 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.