ZIP Code 56684

56684 is one of Minnesota's ZIP codes, delivering to addresses in Trail, Polk County.

City: Trail
County: Polk County
State: Minnesota
Prefix: 566xx

Where this code sits

56684 is part of the 566xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Trail.

Trail Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 56684 delivers to without sharing its boundary.

218 Area code 218

ZIP codes nearest 56684

The ZIP codes whose reference points sit closest to 56684.
ZIP code	Distance	Delivers to
ZIP code 56646	5.8 mi	Gully, MN
ZIP code 56742	7.3 mi	Oklee, MN
ZIP code 56556	8.8 mi	Mcintosh, MN
ZIP code 56542	12 mi	Fosston, MN
ZIP code 56644	12 mi	Gonvick, MN
ZIP code 56715	13 mi	Brooks, MN
ZIP code 56535	13 mi	Erskine, MN
ZIP code 56748	15 mi	Plummer, 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 56684, plotted from its record coordinates.

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

Scope ZIP code 56684. 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.