ZIP code 72721: South, AR
ZIP code 72721 is in Madison County (99%) and Franklin County (1.1%), Arkansas, outside any city or Census-designated place. It is in Arkansas's 3rd congressional district (99%) and Arkansas's 4th congressional district (1.1%). Its state senate district is State Senate District 28; its state house district is State House District 26.
See it on the mapAll of Arkansas
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Madison County | 99% |
| Franklin County | 1.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| South township | 99% |
| Morgan township | 1.1% |
| Cobb township | land only |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Arkansas's 3rd congressional district (AR-03) | 99% |
| Arkansas's 4th congressional district (AR-04) | 1.1% |
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 (AR-03) | Steve Womack (R) | 202-225-4301 | 99% |
| U.S. Representative (AR-04) | Bruce Westerman (R) | 202-225-3772 | 1.1% |
| U.S. Senator | John Boozman (R) | 202-224-4843 · contact form | statewide |
| U.S. Senator | Tom Cotton (R) | 202-224-2353 · contact form | statewide |
| State Senator (State Senate District 28) | Bryan King (R) | 501-682-5452 | 100% |
| State Representative (State House District 26) | James Eaton (R) | 100% |
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
- Madison County website: http://madisoncogov.com/
- Madison County laws: search for the Madison County, Arkansas code of ordinances
- Franklin County website: https://www.franklincountyar.org
- Franklin County laws: search for the Franklin County, Arkansas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 28 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 26 | 100% |
Voting precincts
2 voting precincts overlap ZIP 72721. 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:72721")
ZIP 72721 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.