There is one unique ZIP code in Gregory, South Dakota and it is 57533. Area code: 605.
1
ZIP codes
376.88
sq mi land
8.70
sq mi water
605
area code
Gregory, SD ZIP code map
About Gregory, SD
Gregory is a charming city located in South Dakota, specifically in Gregory County. Known for its welcoming community atmosphere and beautiful landscapes, Gregory offers a glimpse into small-town life in the Midwest. This city, with a single ZIP code of 57533, showcases the quintessential characteristics of rural America.
Location & geography
Gregory is situated in the southeastern part of South Dakota and covers an expansive land area of 376.88 square miles, with an additional 8.70 square miles classified as water. The city is flanked by nearby towns, including Winner, which is approximately 30 miles to the northwest, and Burke, about 25 miles to the west. The terrain around Gregory consists of rolling hills and farmland, complemented by water features that enhance its scenic beauty.
Community & economy
The community in Gregory is characterized by its close-knit atmosphere, where residents often come together for various local events and activities. Industries in the area primarily revolve around agriculture and ranching, contributing to the local economy and lifestyle. Daily life here includes community gatherings, school events, and recreational activities that foster a sense of belonging among the residents.
Transportation
Gregory is accessible via South Dakota Highway 34 and U.S. Route 18, which facilitate easy travel to neighboring cities and regions. The nearest airport is the Winner Regional Airport, located approximately 30 miles away, providing essential air travel services to the area. Local transit options are limited, often relying on personal vehicles for transportation.
History
Gregory was founded in the late 19th century and has since developed into a hub for agriculture in Gregory County. Over the years, the city has seen growth influenced by key industries such as farming and ranching. Notable events in its history include various community celebrations and fairs that highlight the local culture and history.
Did you know?
A surprising fact about Gregory is that it is named after the Gregory County, which itself was established around the same time as the city. Additionally, despite being a small city, Gregory is known for hosting events that attract visitors from surrounding areas, showcasing local art and culture.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What is the ZIP code for Gregory, SD?
Gregory, SD has one ZIP code: 57533.
What is the main ZIP code for Gregory, SD?
The primary ZIP code for Gregory, SD is 57533. The city uses area code 605 for phone service.
What county is Gregory, SD in?
Gregory is located in Gregory County, South Dakota.
How many ZIP codes are in Gregory, SD?
Gregory, SD has 1 ZIP code.
What is the ZIP code for Gregory's downtown area and main business district?
Gregory's downtown area and main business district are located in ZIP code 57533, which serves as the central hub for the city's commercial and civic activities.
What ZIP code should I use when mailing packages to businesses along Main Street in Gregory, SD?
All businesses and residences along Main Street in Gregory, including the downtown corridor, use ZIP code 57533 for mail delivery.
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