ZIP Code 57054

57054 is one of South Dakota's ZIP codes, delivering to addresses in Ramona, Lake County.

City: Ramona
County: Lake County
State: South Dakota
Prefix: 570xx

Where this code sits

57054 is part of the 570xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ramona.

Ramona South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57054 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57054

The ZIP codes whose reference points sit closest to 57054.
ZIP code	Distance	Delivers to
ZIP code 57051	8.7 mi	Oldham, SD
ZIP code 57042	10 mi	Madison, SD
ZIP code 57076	11 mi	Winfred, SD
ZIP code 57050	12 mi	Nunda, SD
ZIP code 57061	13 mi	Sinai, SD
ZIP code 57057	15 mi	Rutland, SD
ZIP code 57075	17 mi	Wentworth, SD
ZIP code 57349	17 mi	Howard, 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 57054, plotted from its record coordinates.

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

Scope ZIP code 57054. 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.