ZIP code 11783: Seaford, NY
ZIP code 11783 is in Seaford (71% of residents), Levittown (12%), North Wantagh (12%), North Massapequa (2.6%) and Plainedge (2.2%), in Nassau County, New York. It is in New York's 4th congressional district (83%), New York's 3rd congressional district (14%) and New York's 2nd congressional district (2.6%). Its state senate districts are State Senate District 5 (95%) and State Senate District 8 (4.8%); its state house districts are Assembly District 14 (83%) and Assembly District 17 (17%).
See it on the mapAll of New York
City and county
| City or town | Share of ZIP residents |
|---|---|
| Seaford | 71% |
| Levittown | 12% |
| North Wantagh | 12% |
| North Massapequa | 2.6% |
| Plainedge | 2.2% |
| County | Share of ZIP residents |
|---|---|
| Nassau County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Hempstead town | 95% |
| Oyster Bay town | 4.8% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| New York's 4th congressional district (NY-04) | 83% |
| New York's 3rd congressional district (NY-03) | 14% |
| New York's 2nd congressional district (NY-02) | 2.6% |
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 (NY-04) | Laura Gillen (D) | 202-225-5516 | 83% |
| U.S. Representative (NY-03) | Thomas R. Suozzi (D) | 202-225-3335 | 14% |
| U.S. Representative (NY-02) | Andrew R. Garbarino (R) | 202-225-7896 | 2.6% |
| U.S. Senator | Charles E. Schumer (D) | 202-224-6542 · contact form | statewide |
| U.S. Senator | Kirsten E. Gillibrand (D) | 202-224-4451 · contact form | statewide |
| State Senator (State Senate District 5) | Steve Rhoads (Republican/Conservative) | 516-882-0630 | 95% |
| State Senator (State Senate District 8) | Alexis Weik (Republican/Conservative) | 631-665-2311 | 4.8% |
| Assembly Member (Assembly District 14) | Dave McDonough (R) | 516-409-2070 | 83% |
| Assembly Member (Assembly District 17) | John Mikulin (R) | 516-228-4960 | 17% |
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
- Seaford laws: search for the Seaford, New York code of ordinances
- Levittown laws: search for the Levittown, New York code of ordinances
- North Wantagh website: http://www.wantagh.li
- North Wantagh laws: search for the North Wantagh, New York code of ordinances
- Nassau County website: http://www.nassaucountyny.gov
- Nassau County laws: search for the Nassau County, New York code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 5 | 95% |
| State Senate District 8 | 4.8% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 14 | 83% |
| Assembly District 17 | 17% |
Voting precincts
21 voting precincts overlap ZIP 11783. 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:11783")
ZIP 11783 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.