ZIP code 03820: Dover, NH
ZIP code 03820 is in Dover, in Strafford County, New Hampshire. It is in New Hampshire's 1st congressional district. Its state senate district is State Senate District 4; its state house districts are State House District Strafford 16 (18%), State House District Strafford 13 (17%), State House District Strafford 14 (17%), State House District Strafford 15 (17%), State House District Strafford 17 (17%), State House District Strafford 11 (15%) and State House District Strafford 12 (0.2%).
See it on the mapAll of New Hampshire
City and county
| City or town | Share of ZIP residents |
|---|---|
| Dover | 100% |
| County | Share of ZIP residents |
|---|---|
| Strafford County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Dover city | 100% |
| Rollinsford town | 0.2% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| New Hampshire's 1st congressional district (NH-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Robert Carrier | 100% | |
| U.S. Representative (NH-01) | Chris Pappas (D) | 202-225-5456 | 100% |
| U.S. Senator | Jeanne Shaheen (D) | 202-224-2841 · contact form | statewide |
| U.S. Senator | Margaret Wood Hassan (D) | 202-224-3324 · contact form | statewide |
| State Senator (State Senate District 4) | David Watters (Democratic) | 100% | |
| State Representative (State House District Strafford 16) | Gary Gilmore (Democratic) | 18% | |
| State Representative (State House District Strafford 13) | Peter Bixby (Democratic) | 17% | |
| State Representative (State House District Strafford 14) | Peter Schmidt (Democratic) | 17% | |
| State Representative (State House District Strafford 15) | Alice Wade (Democratic) | 17% | |
| State Representative (State House District Strafford 17) | Jessica LaMontagne (Democratic) | 17% | |
| State Representative (State House District Strafford 11) | Erik Johnson (Democratic) | 15% | |
| State Representative (State House District Strafford 11) | Janet Wall (Democratic) | 15% | |
| State Representative (State House District Strafford 11) | Tom Southworth (Democratic) | 15% | |
| State Representative (State House District Strafford 12) | Billie Butler (Democratic) | 0.2% | |
| State Representative (State House District Strafford 12) | John Stone (Democratic) | 0.2% | |
| State Representative (State House District Strafford 12) | Myles England (Democratic) | 0.2% | |
| State Representative (State House District Strafford 12) | Wayne Pearson (Democratic) | 0.2% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Dover laws: search for the Dover, New Hampshire code of ordinances
- Strafford County website: http://www.co.strafford.nh.us
- Strafford County laws: search for the Strafford County, New Hampshire code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 4 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District Strafford 16 | 18% |
| State House District Strafford 13 | 17% |
| State House District Strafford 14 | 17% |
| State House District Strafford 15 | 17% |
| State House District Strafford 17 | 17% |
| State House District Strafford 11 | 15% |
| State House District Strafford 12 | 0.2% |
Voting precincts
7 voting precincts overlap ZIP 03820. 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:03820")
ZIP 03820 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.