ZIP code 18356: Smithfield, PA
ZIP code 18356 is in Monroe County, Pennsylvania, outside any city or Census-designated place. It is in Pennsylvania's 8th congressional district. Its state senate district is State Senate District 40; its state house district is State House District 189.
See it on the mapAll of Pennsylvania
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Monroe County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Smithfield township | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 8th congressional district (PA-08) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (PA-08) | Robert P. Bresnahan, Jr. (R) | 202-225-5546 | 100% |
| U.S. Senator | David McCormick (R) | 202-224-6324 · contact form | statewide |
| U.S. Senator | John Fetterman (D) | 202-224-4254 · contact form | statewide |
| State Senator (State Senate District 40) | Rosemary Brown (R) | 570-213-5705 | 100% |
| State Representative (State House District 189) | Tarah Probst (Democratic) | 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
- Monroe County laws: search for the Monroe County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 40 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 189 | 100% |
Voting precincts
2 voting precincts overlap ZIP 18356. 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:18356")
ZIP 18356 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.