# Mattress Firm Fullerton > Showroom offers a wide selection of high-quality mattresses in a clean, well-organized space. Staff provide expert advice with clear explanations and helpful recommendations, creating a no-pressure atmosphere for testing beds at a comfortable pace. Source: https://www.atly.com/location/MattressFirmFullerton - Address: 1412 S Harbor Blvd, Fullerton, California, United States - Phone: +16573102380 - Website: https://www.mattressfirm.com/en-us/stores/ca/fullerton/803006/?&utm_source=Google%20My%20Business&utm_medium=organic&utm_campaign=GMB&utm_term=fullerton%20ca&utm_kxconfid=uflnw2ovk - Google rating: 4.9 (449 reviews) ## What it is good for - Comfortable — 9.3/10 - Sleep — 9.1/10 - Delivery — 5.6/10 ## What people say - "Sonny made sure our delivery and return policies were clear." - "I found the ideal mattress and have been sleeping better than ever." - "The staff here is so helpful and knowledgeable about comfort." ## Good to know - The store offered a one-day delivery and free setup. - The total cost for the mattress, frame, and box springs was under $1,000. - If you're mattress shopping, you should ask for Sonny. - I recommend asking for Darren if you visit Mattress Firm. - There was an adjustable base promo and Sonny showed us the options. ## 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.