Fast Food Restaurant – illustrative photo

Fast Food RestaurantFrederick, MD

Sonic – Frederick, MD

Open now · closes 11:00 PM

Directions Call

Illustrative photo

Opening hours

Open now · closes 11:00 PM

Weekly opening hours of Sonic
Monday	10:00 AM – 11:00 PM
Tuesday	10:00 AM – 11:00 PM
Wednesday	10:00 AM – 11:00 PM
Thursday	10:00 AM – 11:00 PM
Friday	10:00 AM – 11:00 PM
Saturday	10:00 AM – 11:00 PM
Sunday	10:00 AM – 11:00 PM

Local time in Frederick: 1:41 PM (EDT). Holiday hours may differ – call (301) 620-4036 to confirm.

Location & directions

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7420 Guilford Drive
Frederick, MD 21704

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About Sonic

Located at 7420 Guilford Drive in Frederick, Maryland, Sonic is a fast food restaurant. It's part of our guide to 204 restaurants, cafes and bars in Frederick.

Sonic is open daily, 10:00 AM – 11:00 PM.

Available service options are takeout and drive-through. On the menu: burgers.

For questions or orders, call (301) 620-4036.

Quick facts

Category: Fast Food Restaurant · Burger
Address: 7420 Guilford Drive, Frederick, MD 21704
Phone: (301) 620-4036
Hours: Open daily, 10:00 AM – 11:00 PM
Listing updated: September 2026 · Suggest an edit

Popular times (estimated)

6AM

9AM

12PM

3PM

6PM

9PM

Estimated from typical visit patterns for fast food restaurants and this venue’s opening hours – not live data.

Features & amenities

Service options

Takeout
Drive-through

Reviews

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Frequently asked questions

What are Sonic's opening hours?

Open daily, 10:00 AM – 11:00 PM. Monday: 10:00 AM – 11:00 PM; Tuesday: 10:00 AM – 11:00 PM; Wednesday: 10:00 AM – 11:00 PM; Thursday: 10:00 AM – 11:00 PM; Friday: 10:00 AM – 11:00 PM; Saturday: 10:00 AM – 11:00 PM; Sunday: 10:00 AM – 11:00 PM.

Is Sonic open on Sunday?

Yes, Sonic is open on Sundays: 10:00 AM – 11:00 PM.

Where is Sonic located?

Sonic is located at 7420 Guilford Drive, Frederick, MD 21704.

What is the phone number of Sonic?

You can call Sonic at (301) 620-4036.

Does Sonic offer delivery or takeout?

Delivery is not listed for Sonic, and takeout is available. Listed service options: takeout and drive-through.