Glenham South Dakota ZIP Codes
Glenham holds a single ZIP code.
Every ZIP code in Glenham
| ZIP code | County |
|---|---|
| 57631 | Walworth 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Glenham codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Glenham. 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 Glenham ZIP code begins 576. Those first three digits identify the sectional center facility that processes mail for this part of South Dakota. Statewide that range covers 32 ZIP codes, so Glenham accounts for 3% of it.
Every South Dakota ZIP prefix and the region it covers →
Area codes covering Glenham
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 Glenham occupies.
Glenham South Dakota area codes in full →
Where Glenham's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Glenham
| City | Distance | ZIP codes |
|---|---|---|
| Mobridge South Dakota ZIP codes | 7.9 mi | 1 ZIP code |
| Selby South Dakota ZIP codes | 12 mi | 1 ZIP code |
| Akaska South Dakota ZIP codes | 16 mi | 1 ZIP code |
| Mound City South Dakota ZIP codes | 17 mi | 1 ZIP code |
| Java South Dakota ZIP codes | 19 mi | 1 ZIP code |
| Herreid South Dakota ZIP codes | 23 mi | 1 ZIP code |
| Pollock South Dakota ZIP codes | 25 mi | 1 ZIP code |
| Bowdle South Dakota ZIP codes | 30 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.