ZIP code 65401: Rolla, MO
ZIP code 65401 is in Rolla (62% of residents), in Phelps County (98%), Dent County (1.4%) and Maries County (0.8%), Missouri. 38% of its residents live outside city limits. It is in Missouri's 8th congressional district (99%) and Missouri's 3rd congressional district (0.8%). Its state senate district is State Senate District 16; its state house districts are State House District 122 (92%), State House District 143 (6.6%) and State House District 120 (1.4%).
See it on the mapAll of Missouri
City and county
| City or town | Share of ZIP residents |
|---|---|
| Rolla | 62% |
| Doolittle | 0.9% |
| County | Share of ZIP residents |
|---|---|
| Phelps County | 98% |
| Dent County | 1.4% |
| Maries County | 0.8% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Rolla township | 55% |
| Dillon township | 25% |
| Miller township | 11% |
| Cold Spring township | 5.9% |
| Watkins township | 1.4% |
| Arlington township | 0.9% |
| Spring Creek township | 0.5% |
| Johnson township | 0.3% |
| Meramec township | 0.1% |
| Spring Creek township | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Missouri's 8th congressional district (MO-08) | 99% |
| Missouri's 3rd congressional district (MO-03) | 0.8% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MO-08) | Jason Smith (R) | 202-225-4404 | 99% |
| U.S. Representative (MO-03) | Robert F. Onder, Jr. (R) | 202-225-2956 | 0.8% |
| 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) | 100% | |
| State Representative (State House District 122) | Tara Peters (R) | 92% | |
| State Representative (State House District 143) | Bennie Cook (R) | 6.6% | |
| State Representative (State House District 120) | John Hewkin (R) | 1.4% |
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
- Rolla website: https://www.rollacity.org/
- Rolla laws: search for the Rolla, Missouri code of ordinances
- Phelps County website: https://phelpscounty.org
- Phelps County laws: search for the Phelps County, Missouri code of ordinances
- Dent County website: https://www.salemmo.com/dent/
- Dent County laws: search for the Dent County, Missouri code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 16 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 122 | 92% |
| State House District 143 | 6.6% |
| State House District 120 | 1.4% |
Voting precincts
24 voting precincts overlap ZIP 65401. 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:65401")
ZIP 65401 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.