ZIP Code 57660

57660 is one of South Dakota's ZIP codes, delivering to addresses in Watauga, Corson County.

City: Watauga
County: Corson County
State: South Dakota
Prefix: 576xx

Where this code sits

57660 is part of the 576xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Watauga.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57660 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57660

The ZIP codes whose reference points sit closest to 57660.
ZIP code	Distance	Delivers to
ZIP code 57645	10 mi	Morristown, SD
ZIP code 58568	19 mi	Selfridge, ND
ZIP code 57659	20 mi	Walker, SD
ZIP code 58569	22 mi	Shields, ND
ZIP code 57634	22 mi	Keldron, SD
ZIP code 57641	23 mi	Mc Intosh, SD
ZIP code 57621	24 mi	Bullhead, SD
ZIP code 58564	30 mi	Raleigh, ND

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 57660, plotted from its record coordinates.

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

Scope ZIP code 57660. 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.