ZIP code 06604 is in Bridgeport, in Greater Bridgeport Planning Region, Connecticut. It is in Connecticut's 4th congressional district. Its state senate districts are State Senate District 23 (71%) and State Senate District 22 (29%); its state house districts are State House District 128 (35%), State House District 130 (30%), State House District 129 (24%), State House District 133 (5.6%) and State House District 127 (4.6%).
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).
10 voting precincts overlap ZIP 06604.
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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:06604")
ZIP 06604 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.