ZIP code 06340 is in Groton (32% of residents), Conning Towers-Nautilus Park (30%), Long Hill (13%), Poquonock Bridge (5.7%), Noank (5.3%) and Groton Long Point (1.8%), in Southeastern Connecticut Planning Region, Connecticut. 13% of its residents live outside city limits. It is in Connecticut's 2nd congressional district. Its state senate districts are State Senate District 18 (100%) and State Senate District 19 (<0.1%); its state house districts are State House District 40 (59%), State House District 41 (41%) and State House District 139 (<0.1%).
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).
7 voting precincts overlap ZIP 06340.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 06340 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.