ZIP code 18643 is in Exeter (45% of residents), West Pittston (38%) and Upper Exeter (5.1%), in Luzerne County, Pennsylvania. 11% of its residents live outside city limits. It is in Pennsylvania's 8th congressional district. Its state senate districts are State Senate District 20 (62%) and State Senate District 22 (38%); its state house districts are State House District 120 (62%) and State House District 118 (38%).
8 voting precincts overlap ZIP 18643.
Map them, with each precinct's share of the ZIP's residents.
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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:18643")
ZIP 18643 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.