ZIP Code 56437

56437 is one of Minnesota's ZIP codes, delivering to addresses in Bertha, Todd County.

City: Bertha
County: Todd County
State: Minnesota
Prefix: 564xx

Where this code sits

56437 is part of the 564xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Bertha.

Bertha Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 56437 delivers to without sharing its boundary.

218 Area code 218

ZIP codes nearest 56437

The ZIP codes whose reference points sit closest to 56437.
ZIP code	Distance	Delivers to
ZIP code 56453	5.1 mi	Hewitt, MN
ZIP code 56440	8.7 mi	Clarissa, MN
ZIP code 56446	9.7 mi	Eagle Bend, MN
ZIP code 56434	10 mi	Aldrich, MN
ZIP code 56482	14 mi	Wadena, MN
ZIP code 56438	15 mi	Browerville, MN
ZIP code 56479	15 mi	Staples, MN
ZIP code 56361	16 mi	Parkers Prairie, MN

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 56437, plotted from its record coordinates.

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

Scope ZIP code 56437. 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.