ZIP code 28540: Jacksonville, NC
ZIP code 28540 is in Jacksonville (39% of residents) and Half Moon (9.1%), in Onslow County, North Carolina. 52% of its residents live outside city limits. It is in North Carolina's 3rd congressional district. Its state senate district is State Senate District 6; its state house districts are State House District 15 (77%), State House District 14 (17%) and State House District 16 (5.9%).
See it on the mapAll of North Carolina
City and county
| City or town | Share of ZIP residents |
|---|---|
| Jacksonville | 39% |
| Half Moon | 9.1% |
| County | Share of ZIP residents |
|---|---|
| Onslow County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Jacksonville township | 73% |
| Stump Sound township | 12% |
| Richlands township | 10% |
| Camp Lejeune UT | 5.3% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| North Carolina's 3rd congressional district (NC-03) | 100% |
Members of Congress
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (NC-03) | Gregory F. Murphy (R) | 202-225-3415 |
| U.S. Senator | Ted Budd (R) | 202-224-3154 · contact form |
| U.S. Senator | Thom Tillis (R) | 202-224-6342 · contact form |
Elected in 2024 under NC's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 6 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 15 | 77% |
| State House District 14 | 17% |
| State House District 16 | 5.9% |
Voting precincts
11 voting precincts overlap ZIP 28540. 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:28540")
ZIP 28540 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.