ZIP Code 48387

48387 is one of Michigan's ZIP codes, delivering to addresses in Union Lake, Oakland County.

City: Union Lake
County: Oakland County
State: Michigan
Prefix: 483xx

Where this code sits

48387 is part of the 483xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Union Lake.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48387 delivers to without sharing its boundary.

ZIP codes nearest 48387

The ZIP codes whose reference points sit closest to 48387.
ZIP code	Distance	Delivers to
ZIP code 48386	2.3 mi	White Lake, MI
ZIP code 48327	2.8 mi	Waterford, MI
ZIP code 48382	3.5 mi	Commerce Township, MI
ZIP code 48324	3.5 mi	West Bloomfield, MI
ZIP code 48390	4.2 mi	Walled Lake, MI
ZIP code 48321	4.4 mi	Auburn Hills, MI
ZIP code 48325	4.4 mi	West Bloomfield, MI
ZIP code 48347	4.4 mi	Clarkston, 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 48387, plotted from its record coordinates.

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

Scope ZIP code 48387. 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.