ZIP code 00784 is in Guayama (52% of residents), Jobos (4.9%), Olimpo (4.7%), Corazón (4.2%) and Pueblito del Carmen (1.2%), in Guayama Municipio (100%), Patillas Municipio (0.2%) and Cayey Municipio (<0.1%), Puerto Rico. 33% of its residents live outside city limits. It is in Puerto Rico's at-large congressional district. Its state senate districts are State Senate District 6 (100%) and State Senate District 7 (0.2%); its state house districts are State House District 30 (100%), State House District 34 (0.2%) and State House District 29 (<0.1%).
23 voting precincts overlap ZIP 00784.
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:00784")
ZIP 00784 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.