ZIP Code 49891

49891 is one of Michigan's ZIP codes, delivering to addresses in Trenary, Alger County.

City: Trenary
County: Alger County
State: Michigan
Prefix: 498xx

Where this code sits

49891 is part of the 498xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Trenary.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 49891 delivers to without sharing its boundary.

906 Area code 906

ZIP codes nearest 49891

The ZIP codes whose reference points sit closest to 49891.
ZIP code	Distance	Delivers to
ZIP code 49816	11 mi	Chatham, MI
ZIP code 49825	11 mi	Eben Junction, MI
ZIP code 49826	11 mi	Rumely, MI
ZIP code 49880	13 mi	Rock, MI
ZIP code 49872	15 mi	Perkins, MI
ZIP code 49822	17 mi	Deerton, MI
ZIP code 49806	17 mi	Au Train, MI
ZIP code 49885	18 mi	Skandia, 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 49891, plotted from its record coordinates.

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

Scope ZIP code 49891. 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.