53154 ZIP Code: Oak Creek, Wisconsin
ZIP code 53154 covers Oak Creek, Wisconsin. It sits in Milwaukee County. A ZIP code is a US Postal Service mail route, not a boundary on a map, so it describes where post is delivered rather than an administrative area.
| ZIP code | 53154 |
|---|---|
| Place | Oak Creek |
| State | Wisconsin (WI) |
| County or equivalent | Milwaukee County |
| Phone area codes in Wisconsin | 7 |
| Country | United States |
ZIP codes near 53154
- 53172 South Milwaukeeabout 2 miles
- 53108 Caledoniaabout 4 miles
- 53110 Cudahyabout 5 miles
- 53221 Milwaukeeabout 5 miles
- 53132 Franklinabout 5 miles
- 53129 Greendaleabout 6 miles
- 53207 Milwaukeeabout 6 miles
- 53235 Saint Francisabout 6 miles
Distances are straight-line, between the approximate centres of each delivery area.
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Frequently asked questions
Where is ZIP code 53154?
ZIP code 53154 is in Oak Creek, Wisconsin, in Milwaukee County. ZIP codes are mail delivery routes rather than mapped regions, so the code identifies a set of addresses the Postal Service serves together, not a district with fixed borders.
What county is 53154 in?
53154 is in Milwaukee County, Wisconsin. A single ZIP code can straddle a county line, because mail routes were drawn for delivery efficiency and take no notice of county boundaries, so the county shown is the one the code is primarily associated with.
What area code goes with ZIP code 53154?
ZIP codes and telephone area codes are separate systems with different boundaries, so no ZIP code maps to exactly one area code. Wisconsin uses 7 geographic area codes: 262, 274, 414, 534, 608, 715 and 920.
Is 53154 a real ZIP code?
Yes. 53154 appears in the GeoNames postal-code dataset as an active US code assigned to Oak Creek, Wisconsin. Codes that have been retired or never issued do not appear, which is why entering one on this site returns a not-found page rather than a blank record.
Why do ZIP code boundaries look odd on maps?
Because they are not boundaries. A ZIP code is a collection of mail routes, and a route is a line a carrier walks or drives, not an area. Any ZIP code map you have seen is somebody's approximation drawn around the addresses in a code, which is also why two ZIP code maps rarely agree with each other.
Can two addresses in the same ZIP code be in different cities?
Yes, routinely. The Postal Service assigns a preferred city name to each code for addressing purposes, and that name often covers several neighbouring towns, unincorporated areas or a whole postal district. The place shown here is the one the source names for the code, not a claim that every address in it is inside that town's limits.
ZIP code, place, county and location data from GeoNames, used under CC BY 4.0, extracted 2026-08-22. ZIP codes are Postal Service delivery routes, not administrative areas, so a code can cross city and county lines and the place name shown is the one the source records for the code. Coordinates are an approximate centre of the delivery area, not a precise location. Population and time zone are not shown because the source does not publish them.