Sioux Rapids Iowa ZIP Codes

Sioux Rapids holds a single ZIP code.

Every ZIP code in Sioux Rapids

The complete list of Sioux Rapids, Iowa ZIP codes with the county each falls in.
ZIP codeCounty
50585Buena Vista 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Sioux Rapids codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Sioux Rapids. 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 Sioux Rapids ZIP code begins 505. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 75 ZIP codes, so Sioux Rapids accounts for 1% of it.

Every Iowa ZIP prefix and the region it covers →

Area codes covering Sioux Rapids

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 Sioux Rapids occupies.

Sioux Rapids Iowa area codes in full →

Where Sioux Rapids's ZIP codes sit

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

Cities near Sioux Rapids

The closest places to Sioux Rapids with their own ZIP code list, nearest first.
CityDistanceZIP codes
Rembrandt Iowa ZIP codes4.6 mi1 ZIP code
Linn Grove Iowa ZIP codes4.8 mi1 ZIP code
Webb Iowa ZIP codes7.9 mi1 ZIP code
Greenville Iowa ZIP codes8.7 mi1 ZIP code
Marathon Iowa ZIP codes8.7 mi1 ZIP code
Peterson Iowa ZIP codes10 mi1 ZIP code
Gillett Grove Iowa ZIP codes10 mi1 ZIP code
Truesdale Iowa ZIP codes11 mi1 ZIP code

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