ZIP Code 57555

57555 is one of South Dakota's ZIP codes, delivering to addresses in Mission, Todd County.

City: Mission
County: Todd County
State: South Dakota
Prefix: 575xx

Where this code sits

57555 is part of the 575xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mission.

Mission South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57555 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57555

The ZIP codes whose reference points sit closest to 57555.
ZIP code	Distance	Delivers to
ZIP code 57563	12 mi	Okreek, SD
ZIP code 57570	14 mi	Rosebud, SD
ZIP code 57572	18 mi	Saint Francis, SD
ZIP code 57585	19 mi	Wood, SD
ZIP code 57566	21 mi	Parmelee, SD
ZIP code 57579	21 mi	White River, SD
ZIP code 69212	26 mi	Crookston, NE
ZIP code 57584	28 mi	Witten, 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 57555, plotted from its record coordinates.

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

Scope ZIP code 57555. 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.