ZIP Code 55309

55309 is one of Minnesota's ZIP codes, delivering to addresses in Big Lake, Sherburne County.

City: Big Lake
County: Sherburne County
State: Minnesota
Prefix: 553xx

Where this code sits

55309 is part of the 553xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Big Lake.

Big Lake Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 55309 delivers to without sharing its boundary.

ZIP codes nearest 55309

The ZIP codes whose reference points sit closest to 55309.
ZIP code	Distance	Delivers to
ZIP code 55362	4.9 mi	Monticello, MN
ZIP code 55308	7.7 mi	Becker, MN
ZIP code 55301	8.1 mi	Albertville, MN
ZIP code 55330	8.1 mi	Elk River, MN
ZIP code 55398	10 mi	Zimmerman, MN
ZIP code 55376	11 mi	Saint Michael, MN
ZIP code 55380	12 mi	Silver Creek, MN
ZIP code 55592	13 mi	Maple Plain, 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 55309, plotted from its record coordinates.

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

Scope ZIP code 55309. 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.