# Mattress Firm Green Mount Road > Mattress store offers affordable mattresses and an easy delivery process. Staff provide educational guidance on sleep quality, creating a clean and smooth shopping experience. Source: https://www.atly.com/location/MattressFirmGreenMountRoad - Address: 1171 N Green Mt Rd Suite 102 through 104, O'Fallon, Illinois, United States - Phone: +16186289538 - Website: https://www.mattressfirm.com/en-us/stores/il/ofallon/018020/?&utm_source=Google%20My%20Business&utm_medium=organic&utm_campaign=GMB&utm_term=o%27fallon%20il&utm_kxconfid=uflnw2ovk ## What it is good for - Comfortable — 10/10 - Sleep — 8.8/10 - Delivery — 7.5/10 ## What people say - "David made our delivery easy and was so knowledgeable." - "The sales staff listened and helped me find a mattress within my budget." - "I felt comfortable because they listened to my needs and weren't pushy." ## Good to know - The delivery process is straightforward and hassle-free. - The mattresses are reasonably priced and offer good value. - The shopping experience is rated highly by customers. - The store maintains a clean and organized environment. - The adjustable base and hybrid mattress are popular choices. ## 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.