ZIP Code 48770

48770 is one of Michigan's ZIP codes, delivering to addresses in Whittemore, Iosco County.

City: Whittemore
County: Iosco County
State: Michigan
Prefix: 487xx

Where this code sits

48770 is part of the 487xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Whittemore.

Whittemore Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48770 delivers to without sharing its boundary.

989 Area code 989

ZIP codes nearest 48770

The ZIP codes whose reference points sit closest to 48770.
ZIP code	Distance	Delivers to
ZIP code 48766	7.4 mi	Twining, MI
ZIP code 48748	8.3 mi	National City, MI
ZIP code 48765	9.9 mi	Turner, MI
ZIP code 48739	10 mi	Hale, MI
ZIP code 48756	11 mi	Prescott, MI
ZIP code 48749	13 mi	Omer, MI
ZIP code 48763	13 mi	Tawas City, MI
ZIP code 48743	13 mi	Long Lake, 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 48770, plotted from its record coordinates.

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

Scope ZIP code 48770. 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.