ZIP code 03257 is in New London (28% of residents), in Merrimack County (99%) and Sullivan County (1.4%), New Hampshire. 72% of its residents live outside city limits. It is in New Hampshire's 2nd congressional district. Its state senate districts are State Senate District 5 (96%) and State Senate District 7 (3.7%); its state house districts are State House District Merrimack 07 (95%), State House District Merrimack 06 (3.7%) and State House District Sullivan 05 (1.4%).
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).
3 voting precincts overlap ZIP 03257.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 03257 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.