ZIP code 37888: District 4, TN
ZIP code 37888 is in Grainger County (91%) and Union County (8.7%), Tennessee, outside any city or Census-designated place. It is in Tennessee's 2nd congressional district. Its state senate district is State Senate District 8; its state house districts are State House District 10 (91%) and State House District 36 (8.7%).
See it on the mapAll of Tennessee
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Grainger County | 91% |
| Union County | 8.7% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 4 | 91% |
| District 3 | 8.2% |
| District 2 | 0.5% |
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 8) | Jessie Seal (R) | 100% | |
| State Representative (State House District 10) | Rick Eldridge (R) | 91% | |
| State Representative (State House District 36) | Dennis Powers (R) | 8.7% |
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
- Grainger County website: http://graingertn.com
- Grainger County laws: search for the Grainger 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 8 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 10 | 91% |
| State House District 36 | 8.7% |
Voting precincts
4 voting precincts overlap ZIP 37888. 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:37888")
ZIP 37888 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.