ZIP Code 56121

56121 is one of Minnesota's ZIP codes, delivering to addresses in Ceylon, Martin County.

City: Ceylon
County: Martin County
State: Minnesota
Prefix: 561xx

Where this code sits

56121 is part of the 561xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ceylon.

Ceylon Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 56121 delivers to without sharing its boundary.

ZIP codes nearest 56121

The ZIP codes whose reference points sit closest to 56121.
ZIP code	Distance	Delivers to
ZIP code 50531	5.0 mi	Dolliver, IA
ZIP code 56127	8.7 mi	Dunnell, MN
ZIP code 56181	9.2 mi	Welcome, MN
ZIP code 56171	10 mi	Sherburn, MN
ZIP code 56031	11 mi	Fairmont, MN
ZIP code 50514	11 mi	Armstrong, IA
ZIP code 51334	14 mi	Estherville, IA
ZIP code 56111	15 mi	Alpha, 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 56121, plotted from its record coordinates.

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

Scope ZIP code 56121. 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.