Boundary Atlas

ZIP code 73128: Oklahoma City, OK

ZIP code 73128 is in Oklahoma City, in Canadian County (56%) and Oklahoma County (44%), Oklahoma. It is in Oklahoma's 3rd congressional district (94%) and Oklahoma's 5th congressional district (5.8%). Its state senate district is State Senate District 44; its state house districts are State House District 47 (56%) and State House District 90 (44%).

5,950residents (2020 Census)
7.3 sq miland area
1cities and towns
2congressional districts
4voting precincts

See it on the mapAll of Oklahoma

City and county

City or townShare of ZIP residents
Oklahoma City100%

CountyShare of ZIP residents
Canadian County56%
Oklahoma County44%

Town or county subdivisionShare of ZIP residents
East Canadian CCD56%
Oklahoma City Southwest CCD44%

Congressional districts

Congressional districtShare of ZIP residents
Oklahoma's 3rd congressional district (OK-03)94%
Oklahoma's 5th congressional district (OK-05)5.8%

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

OfficeMemberContactShare of residents
MayorDavid Holt405-297-2424100%
U.S. Representative (OK-03)Frank D. Lucas (R)202-225-556594%
U.S. Representative (OK-05)Stephanie I. Bice (R)202-225-21325.8%
U.S. SenatorAlan Armstrong (R)202-224-4721statewide
U.S. SenatorJames Lankford (R)202-224-5754 · contact formstatewide
State Senator (State Senate District 44)Michael Brooks (Democratic)100%
State Representative (State House District 47)Brian Hill (R)56%
State Representative (State House District 90)Emily Gise (R)44%

Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 44100%

State house districtShare of ZIP residents
State House District 4756%
State House District 9044%

Voting precincts

4 voting precincts overlap ZIP 73128. 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:73128")

ZIP 73128 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.