ZIP Code 48630

48630 is one of Michigan's ZIP codes, delivering to addresses in Houghton Lake Heights, Roscommon County.

City: Houghton Lake Heights
County: Roscommon County
State: Michigan
Prefix: 486xx

Where this code sits

48630 is part of the 486xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Houghton Lake Heights.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48630 delivers to without sharing its boundary.

989 Area code 989

ZIP codes nearest 48630

The ZIP codes whose reference points sit closest to 48630.
ZIP code	Distance	Delivers to
ZIP code 48629	1.0 mi	Houghton Lake, MI
ZIP code 48627	5.5 mi	Higgins Lake, MI
ZIP code 48651	5.9 mi	Prudenville, MI
ZIP code 49667	8.5 mi	Merritt, MI
ZIP code 48653	12 mi	Roscommon, MI
ZIP code 49632	13 mi	Falmouth, MI
ZIP code 49651	16 mi	Lake City, MI
ZIP code 48656	18 mi	Saint Helen, 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 48630, plotted from its record coordinates.

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

Scope ZIP code 48630. 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.