ZIP code 03103: Manchester, NH
ZIP code 03103 is in Manchester, in Hillsborough County (100%) and Rockingham County (<0.1%), New Hampshire. It is in New Hampshire's 1st congressional district. Its state senate districts are State Senate District 18 (91%), State Senate District 20 (8.6%) and State Senate District 14 (<0.1%); its state house districts are State House District Hillsborough 20 (25%), State House District Hillsborough 25 (23%), State House District Hillsborough 26 (23%), State House District Hillsborough 15 (21%), State House District Hillsborough 23 (4.9%), State House District Hillsborough 24 (3.7%) and State House District Rockingham 16 (<0.1%).
See it on the mapAll of New Hampshire
City and county
| City or town | Share of ZIP residents |
|---|---|
| Manchester | 100% |
| County | Share of ZIP residents |
|---|---|
| Hillsborough County | 100% |
| Rockingham County | <0.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Manchester city | 100% |
| Londonderry town | <0.1% |
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 |
|---|---|---|---|
| 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 |
Plus 21 state legislators across 10 districts. Look up an address for the exact ones.
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).
Local government
- Manchester website: http://www.manchesternh.gov/
- Manchester laws: search for the Manchester, New Hampshire code of ordinances
- Hillsborough County website: http://www.hillsboroughcountynh.org
- Hillsborough County laws: search for the Hillsborough County, New Hampshire code of ordinances
- Rockingham County website: http://co.rockingham.nh.us
- Rockingham County laws: search for the Rockingham County, New Hampshire code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 18 | 91% |
| State Senate District 20 | 8.6% |
| State Senate District 14 | <0.1% |
| State house district | Share of ZIP residents |
|---|---|
| State House District Hillsborough 20 | 25% |
| State House District Hillsborough 25 | 23% |
| State House District Hillsborough 26 | 23% |
| State House District Hillsborough 15 | 21% |
| State House District Hillsborough 23 | 4.9% |
| State House District Hillsborough 24 | 3.7% |
| State House District Rockingham 16 | <0.1% |
Voting precincts
7 voting precincts overlap ZIP 03103. 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:03103")
ZIP 03103 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.