ZIP Code 57448

57448 is one of South Dakota's ZIP codes, delivering to addresses in Hosmer, Edmunds County.

City: Hosmer
County: Edmunds County
State: South Dakota
Prefix: 574xx

Where this code sits

57448 is part of the 574xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hosmer.

Hosmer South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57448 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57448

The ZIP codes whose reference points sit closest to 57448.
ZIP code	Distance	Delivers to
ZIP code 57428	11 mi	Bowdle, SD
ZIP code 57471	12 mi	Roscoe, SD
ZIP code 57437	16 mi	Eureka, SD
ZIP code 57452	18 mi	Java, SD
ZIP code 57457	24 mi	Long Lake, SD
ZIP code 57451	24 mi	Ipswich, SD
ZIP code 57466	26 mi	Onaka, SD
ZIP code 57450	28 mi	Hoven, 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 57448, plotted from its record coordinates.

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

Scope ZIP code 57448. 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.