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Spearfish South Dakota ZIP Codes

Spearfish holds 2 ZIP codes, all inside one county and one postal prefix.

Every ZIP code in Spearfish

The complete list of Spearfish, South Dakota ZIP codes with the county each falls in.
ZIP codeCounty
57783Lawrence County
57799Lawrence 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Spearfish codes above are listed without a column we would have to invent.

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

How these codes cluster

Every Spearfish ZIP code begins 577. Those first three digits identify the sectional center facility that processes mail for this part of South Dakota. Statewide that range covers 58 ZIP codes, so Spearfish accounts for 3% of it.

Every South Dakota ZIP prefix and the region it covers →

Area codes covering Spearfish

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 Spearfish occupies.

Spearfish South Dakota area codes in full →

Where Spearfish's ZIP codes sit

Each point is one Spearfish ZIP code, plotted from its record coordinates.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Cities near Spearfish

The closest places to Spearfish with their own ZIP code list, nearest first.
CityDistanceZIP codes
Deadwood South Dakota ZIP codes8.6 mi1 ZIP code
Whitewood South Dakota ZIP codes9.0 mi1 ZIP code
Lead South Dakota ZIP codes9.9 mi1 ZIP code
Belle Fourche South Dakota ZIP codes12 mi1 ZIP code
Sturgis South Dakota ZIP codes17 mi1 ZIP code
Nisland South Dakota ZIP codes18 mi1 ZIP code
Newell South Dakota ZIP codes25 mi1 ZIP code
Piedmont South Dakota ZIP codes29 mi1 ZIP code

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