City ZIP codes · South Dakota

Brookings, SD ZIP Codes

2 ZIP codes use the postal name Brookings, South Dakota (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Brookings's most populous ZIP code is 57006, with 24,192 people (ACS 2020-2024); 9% of its land is in the city of Brookings.

ACS2020-24
Census2020
GeoNames2026

Where are Brookings's ZIP codes?

The 2 residential ZIP codes named Brookings, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

All 2 residential ZIP codes of Brookings

Residential ZIP codes with the postal name Brookings, SD, largest first (ACS 2020-2024); sort by any column
	County
57006	Brookings County	24,192	159	$66k	$274k
57007	Brookings County	2,377	7,160	–	–

Download the 2 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

Which counties do Brookings's ZIP codes reach?

Brookings's residential ZIP codes lie in 2 counties: Brookings County (2 ZIP codes mainly there), Moody County (part of a ZIP code).

Which first three digits do Brookings's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Brookings starts with 570.

Three-digit prefixes of Brookings's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Brookings's
Prefix	Sectional center	Here	All codes
570	Sioux Falls, SD (SCF 570)	2	69

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.