ZIP Code 48320

48320 is one of Michigan's ZIP codes, delivering to addresses in Keego Harbor, Oakland County.

City: Keego Harbor
County: Oakland County
State: Michigan
Prefix: 483xx

Where this code sits

48320 is part of the 483xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Keego Harbor.

Keego Harbor Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48320 delivers to without sharing its boundary.

ZIP codes nearest 48320

The ZIP codes whose reference points sit closest to 48320.
ZIP code	Distance	Delivers to
ZIP code 48007	2.0 mi	Troy, MI
ZIP code 48341	2.0 mi	Pontiac, MI
ZIP code 48328	2.4 mi	Waterford, MI
ZIP code 48324	2.6 mi	West Bloomfield, MI
ZIP code 48343	3.0 mi	Pontiac, MI
ZIP code 48302	3.3 mi	Bloomfield Hills, MI
ZIP code 48342	3.6 mi	Pontiac, MI
ZIP code 48323	3.8 mi	West Bloomfield, MI

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 48320, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 48320. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.