Westport, SD ZIP Codes, Coordinates & Counties
Westport, South Dakota has 1 ZIP code in Brown county. The approximate center of Westport is 45.65, -98.668. Westport has about 4,068 known street addresses.
ZIP codes in Westport, SD
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 57481 | Brown | 45.65 | -98.668 |
Counties Westport spans
Brown
Most common streets in Westport
120th, 118th, 122nd, 4th, 123rd, 115th, 119th, 116th, 1st, Main
Frequently asked questions
What ZIP codes are in Westport, SD?
Westport, South Dakota has 1 ZIP code, ranging from 57481 to 57481. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Westport, SD in?
Westport is in Brown county.
What are the latitude and longitude of Westport, SD?
The approximate center of Westport, South Dakota is latitude 45.65, longitude -98.668. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Westport, SD have?
Westport has 1 ZIP code.
How many addresses are in Westport, SD?
Westport, South Dakota has about 4,068 known street addresses in the sthan.io US address database.
What are the most common streets in Westport, SD?
Some of the most common street names in Westport are 120th, 118th, 122nd, 4th, 123rd, 115th.
What cities are near Westport, SD?
Cities near Westport include Barnard (10 mi), Aberdeen (14 mi), Frederick (14 mi), Leola (16 mi), Columbia (17 mi).
Cities near Westport
Barnard, SD (10 mi) Aberdeen, SD (14 mi) Frederick, SD (14 mi) Leola, SD (16 mi) Columbia, SD (17 mi) Bath, SD (20 mi) Ipswich, SD (20 mi) Forbes, ND (24 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database