ZIP code 00678 is in Quebradillas (22% of residents), San Antonio (8.8%) and Cacao (4.1%), in Quebradillas Municipio (93%), Isabela Municipio (5.4%) and San Sebastián Municipio (1.7%), Puerto Rico. 65% 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 3 (93%) and State Senate District 4 (7.1%); its state house districts are State House District 15 (93%) and State House District 16 (7.1%).
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).
14 voting precincts overlap ZIP 00678.
Map them, with each precinct's share of the ZIP's residents.
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related_geographies(id="us:zcta:00678")
ZIP 00678 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.