Reliance South Dakota ZIP Codes

Reliance holds a single ZIP code.

Every ZIP code in Reliance

The complete list of Reliance, South Dakota ZIP codes with the county each falls in.
ZIP code	County
57569	Lyman County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Reliance codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Reliance. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Reliance ZIP code begins 575. Those first three digits identify the sectional center facility that processes mail for this part of South Dakota. Statewide that range covers 43 ZIP codes, so Reliance accounts for 2% of it.

Every South Dakota ZIP prefix and the region it covers →

Area codes covering Reliance

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Reliance occupies.

605 Area code 605

Reliance South Dakota area codes in full →

Where Reliance's ZIP codes sit

Each point is one Reliance ZIP code, plotted from its record coordinates.

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

Cities near Reliance

The closest places to Reliance with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Oacoma South Dakota ZIP codes	13 mi	1 ZIP code
Kennebec South Dakota ZIP codes	13 mi	1 ZIP code
Chamberlain South Dakota ZIP codes	15 mi	2 ZIP codes
Pukwana South Dakota ZIP codes	22 mi	1 ZIP code
Presho South Dakota ZIP codes	23 mi	1 ZIP code
Kimball South Dakota ZIP codes	33 mi	1 ZIP code
Winner South Dakota ZIP codes	37 mi	1 ZIP code
Colome South Dakota ZIP codes	43 mi	1 ZIP code

Straight-line distance between place reference points, not driving distance.