Boundary Atlas

ZIP code 03440: Antrim, NH

ZIP code 03440 is in Antrim (51% of residents), in Hillsborough County, New Hampshire. 49% of its residents live outside city limits. It is in New Hampshire's 2nd congressional district. Its state senate districts are State Senate District 8 (96%) and State Senate District 7 (3.9%); its state house district is State House District Hillsborough 30.

2,726residents (2020 Census)
31.3 sq miland area
1cities and towns
1congressional district
2voting precincts

See it on the mapAll of New Hampshire

City and county

City or townShare of ZIP residents
Antrim51%

CountyShare of ZIP residents
Hillsborough County100%

Town or county subdivisionShare of ZIP residents
Antrim town96%
Hillsborough town3.9%

Congressional district

Congressional districtShare of ZIP residents
New Hampshire's 2nd congressional district (NH-02)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 896%
State Senate District 73.9%

State house districtShare of ZIP residents
State House District Hillsborough 30100%

Voting precincts

2 voting precincts overlap ZIP 03440. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:03440")

ZIP 03440 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.