ZIP Code 55366

55366 is one of Minnesota's ZIP codes, delivering to addresses in New Auburn, Sibley County.

City: New Auburn
County: Sibley County
State: Minnesota
Prefix: 553xx

Where this code sits

55366 is part of the 553xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to New Auburn.

New Auburn Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 55366 delivers to without sharing its boundary.

320 Area code 320

ZIP codes nearest 55366

The ZIP codes whose reference points sit closest to 55366.
ZIP code	Distance	Delivers to
ZIP code 55312	6.2 mi	Brownton, MN
ZIP code 55336	7.9 mi	Glencoe, MN
ZIP code 55307	8.5 mi	Arlington, MN
ZIP code 55334	8.9 mi	Gaylord, MN
ZIP code 55370	11 mi	Plato, MN
ZIP code 55338	11 mi	Green Isle, MN
ZIP code 55396	11 mi	Winthrop, MN
ZIP code 55385	12 mi	Stewart, 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 55366, plotted from its record coordinates.

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

Scope ZIP code 55366. 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.