ZIP Code 56540

56540 is one of Minnesota's ZIP codes, delivering to addresses in Fertile, Polk County.

City: Fertile
County: Polk County
State: Minnesota
Prefix: 565xx

Where this code sits

56540 is part of the 565xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fertile.

Fertile Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 56540 delivers to without sharing its boundary.

218 Area code 218

ZIP codes nearest 56540

The ZIP codes whose reference points sit closest to 56540.
ZIP code	Distance	Delivers to
ZIP code 56517	8.5 mi	Beltrami, MN
ZIP code 56736	9.7 mi	Mentor, MN
ZIP code 56545	12 mi	Gary, MN
ZIP code 56592	13 mi	Winger, MN
ZIP code 56535	15 mi	Erskine, MN
ZIP code 56516	17 mi	Bejou, MN
ZIP code 56584	20 mi	Twin Valley, MN
ZIP code 56556	20 mi	Mcintosh, 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 56540, plotted from its record coordinates.

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

Scope ZIP code 56540. 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.