ZIP code 37721: District 8, TN
ZIP code 37721 is in Plainview (11% of residents), in Knox County (88%) and Union County (12%), Tennessee. 89% of its residents live outside city limits. It is in Tennessee's 2nd congressional district. Its state senate districts are State Senate District 6 (88%) and State Senate District 8 (12%); its state house districts are State House District 19 (88%) and State House District 36 (12%).
See it on the mapAll of Tennessee
City and county
| City or town | Share of ZIP residents |
|---|---|
| Plainview | 11% |
| County | Share of ZIP residents |
|---|---|
| Knox County | 88% |
| Union County | 12% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 8 | 88% |
| District 7 | 11% |
| District 6 | 1.0% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Tennessee's 2nd congressional district (TN-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (TN-02) | Tim Burchett (R) | 202-225-5435 | 100% |
| U.S. Senator | Bill Hagerty (R) | 202-224-4944 · contact form | statewide |
| U.S. Senator | Marsha Blackburn (R) | 202-224-3344 · contact form | statewide |
| State Senator (State Senate District 6) | Becky Massey (R) | 88% | |
| State Senator (State Senate District 8) | Jessie Seal (R) | 12% | |
| State Representative (State House District 19) | Dave Wright (R) | 88% | |
| State Representative (State House District 36) | Dennis Powers (R) | 12% |
Elected in 2024 under TN's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
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
- Plainview laws: search for the Plainview, Tennessee code of ordinances
- Knox County website: http://knoxcounty.org
- Knox County laws: search for the Knox County, Tennessee code of ordinances
- Union County website: http://www.unioncountytn.com
- Union County laws: search for the Union County, Tennessee code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 6 | 88% |
| State Senate District 8 | 12% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 19 | 88% |
| State House District 36 | 12% |
Voting precincts
6 voting precincts overlap ZIP 37721. 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:37721")
ZIP 37721 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.