# Dunkin' > Dual setup combines coffee shop and ice cream parlor with a clean, welcoming atmosphere and fast drive-thru service. Staff focus on team effort and culture creates smooth, friendly experiences. Donut selection is generally fresh and varied, complementing quality coffee offerings. Source: https://www.atly.com/location/Dunkin'2356 - Address: 4009 State Hwy K, O'Fallon, Missouri, United States - Phone: +16362440825 - Website: https://locations.dunkindonuts.com/en/mo/o-fallon/4009-highway-k/354444?utm_source=google&utm_medium=local&utm_campaign=localmaps&utm_content=354444&y_source=1_MTIxMTIzMDUtNzE1LWxvY2F0aW9uLndlYnNpdGU%3D ## What it is good for - Coffee — 9.3/10 - Food — 8.8/10 - Drive Thru — 7.5/10 - Ice Cream — 7.5/10 - Donuts — 6.4/10 ## What people say - "The coffee here is great, and the staff is always friendly." - "The Drive Thru here is always fast and friendly." - "I enjoyed the variety of ice cream flavors here." ## Good to know - The $1 iced coffee promotion is available between 2 and 6 PM. - The drive-thru is very fast, especially during off-peak hours. - Expect limited donut availability; some popular items may be out. - This location offers both Dunkin' Donuts and Baskin-Robbins ice cream. - The store is clean and well-maintained during visits. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.