ZIP code 82701: Newcastle, WY
ZIP code 82701 is in Newcastle (64% of residents) and Hill View Heights (2.7%), in Weston County (98%), Custer County (0.6%), Niobrara County (0.6%), Pennington County (0.3%) and Campbell County (0.2%), Wyoming. 34% of its residents live outside city limits. It is in Wyoming's at-large congressional district (99%) and South Dakota's at-large congressional district (0.9%). Its state senate districts are State Senate District 3 (86%), State Senate District 1 (13%), State Senate District 30 (0.9%) and State Senate District 23 (0.2%); its state house districts are State House District 2 (86%), State House District 1 (13%), State House District 30 (0.9%) and State House District 3 (0.2%).
See it on the mapAll of Wyoming
City and county
| City or town | Share of ZIP residents |
|---|---|
| Newcastle | 64% |
| Hill View Heights | 2.7% |
| County | Share of ZIP residents |
|---|---|
| Weston County | 98% |
| Custer County | 0.6% |
| Niobrara County | 0.6% |
| Pennington County | 0.3% |
| Campbell County | 0.2% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Newcastle CCD | 98% |
| West Custer UT | 0.6% |
| West Niobrara CCD | 0.5% |
| Upton CCD | 0.4% |
| West Pennington UT | 0.3% |
| Gillette South CCD | 0.2% |
| East Niobrara CCD | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Wyoming's at-large congressional district (WY-AL) | 99% |
| South Dakota's at-large congressional district (SD-AL) | 0.9% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WY-AL) | Harriet M. Hageman (R) | 202-225-2311 | 99% |
| U.S. Representative (SD-AL) | Dusty Johnson (R) | 202-225-2801 | 0.9% |
| U.S. Senator | Cynthia M. Lummis (R) | 202-224-3424 · contact form | statewide |
| U.S. Senator | John Barrasso (R) | 202-224-6441 · contact form | statewide |
| State Senator (State Senate District 3) | Cheri Steinmetz (R) | 86% | |
| State Senator (State Senate District 1) | Ogden Driskill (R) | 13% | |
| State Senator (State Senate District 30) | Amber Hulse (R) | 0.9% | |
| State Senator (State Senate District 23) | Eric Barlow (R) | 307-682-9639 | 0.2% |
| State Representative (State House District 2) | J.D. Williams (R) | 307-340-6006 | 86% |
| State Representative (State House District 1) | Chip Neiman (R) | 13% | |
| State Representative (State House District 30) | Tim Goodwin (R) | 0.9% | |
| State Representative (State House District 30) | Trish Ladner (R) | 0.9% | |
| State Representative (State House District 3) | Abby Angelos (R) | 0.2% |
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
- Newcastle website: https://www.newcastlewyoming.com/
- Newcastle laws: search for the Newcastle, Wyoming code of ordinances
- Hill View Heights laws: search for the Hill View Heights, Wyoming code of ordinances
- Weston County website: http://westongov.com
- Weston County laws: search for the Weston County, Wyoming code of ordinances
- Custer County website: http://www.custercountysd.com/
- Custer County laws: search for the Custer County, Wyoming code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 3 | 86% |
| State Senate District 1 | 13% |
| State Senate District 30 | 0.9% |
| State Senate District 23 | 0.2% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 2 | 86% |
| State House District 1 | 13% |
| State House District 30 | 0.9% |
| State House District 3 | 0.2% |
Voting precincts
12 voting precincts overlap ZIP 82701. It also crosses into SD. 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:82701")
ZIP 82701 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.