ZIP Code 55042

55042 is one of Minnesota's ZIP codes, delivering to addresses in Lake Elmo, Washington County.

City: Lake Elmo
County: Washington County
State: Minnesota
Prefix: 550xx

Where this code sits

55042 is part of the 550xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lake Elmo.

Lake Elmo Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 55042 delivers to without sharing its boundary.

ZIP codes nearest 55042

The ZIP codes whose reference points sit closest to 55042.
ZIP code	Distance	Delivers to
ZIP code 55128	2.1 mi	Saint Paul, MN
ZIP code 55083	4.2 mi	Stillwater, MN
ZIP code 55090	4.8 mi	Willernie, MN
ZIP code 55082	5.4 mi	Stillwater, MN
ZIP code 55125	5.5 mi	Saint Paul, MN
ZIP code 55115	5.5 mi	Saint Paul, MN
ZIP code 55109	6.2 mi	Saint Paul, MN
ZIP code 55003	6.2 mi	Bayport, 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 55042, plotted from its record coordinates.

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

Scope ZIP code 55042. 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.