ZIP Code 57363

57363 is one of South Dakota's ZIP codes, delivering to addresses in Mount Vernon, Davison County.

City: Mount Vernon
County: Davison County
State: South Dakota
Prefix: 573xx

Where this code sits

57363 is part of the 573xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mount Vernon.

Mount Vernon South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57363 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57363

The ZIP codes whose reference points sit closest to 57363.
ZIP code	Distance	Delivers to
ZIP code 57368	10 mi	Plankinton, SD
ZIP code 57301	12 mi	Mitchell, SD
ZIP code 57359	13 mi	Letcher, SD
ZIP code 57375	16 mi	Stickney, SD
ZIP code 57334	18 mi	Ethan, SD
ZIP code 57340	20 mi	Fulton, SD
ZIP code 57328	21 mi	Corsica, SD
ZIP code 57331	22 mi	Dimock, SD

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 57363, plotted from its record coordinates.

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

Scope ZIP code 57363. 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.