ZIP Code 48811

48811 is one of Michigan's ZIP codes, delivering to addresses in Carson City, Montcalm County.

City: Carson City
County: Montcalm County
State: Michigan
Prefix: 488xx

Where this code sits

48811 is part of the 488xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Carson City.

Carson City Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48811 delivers to without sharing its boundary.

989 Area code 989

ZIP codes nearest 48811

The ZIP codes whose reference points sit closest to 48811.
ZIP code	Distance	Delivers to
ZIP code 48845	5.5 mi	Hubbardston, MI
ZIP code 48856	5.5 mi	Middleton, MI
ZIP code 48818	6.6 mi	Crystal, MI
ZIP code 48870	7.2 mi	Palo, MI
ZIP code 48860	9.4 mi	Muir, MI
ZIP code 48884	9.6 mi	Sheridan, MI
ZIP code 48871	10 mi	Perrinton, MI
ZIP code 48853	10 mi	Maple Rapids, 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 48811, plotted from its record coordinates.

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

Scope ZIP code 48811. 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.