ZIP Code 56721

56721 is one of Minnesota's ZIP codes, delivering to addresses in East Grand Forks, Polk County.

City: East Grand Forks
County: Polk County
State: Minnesota
Prefix: 567xx

Where this code sits

56721 is part of the 567xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to East Grand Forks.

East Grand Forks Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 56721 delivers to without sharing its boundary.

218 Area code 218

ZIP codes nearest 56721

The ZIP codes whose reference points sit closest to 56721.
ZIP code	Distance	Delivers to
ZIP code 58206	0.7 mi	Grand Forks, ND
ZIP code 58207	0.7 mi	Grand Forks, ND
ZIP code 58208	0.7 mi	Grand Forks, ND
ZIP code 58203	2.1 mi	Grand Forks, ND
ZIP code 58201	2.4 mi	Grand Forks, ND
ZIP code 58202	2.5 mi	Grand Forks, ND
ZIP code 58228	11 mi	Emerado, ND
ZIP code 58278	11 mi	Thompson, ND

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 56721, plotted from its record coordinates.

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

Scope ZIP code 56721. 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.