Fast Food Restaurant – illustrative photo

Fast Food RestaurantMount Vernon, MO

Sonic – Mount Vernon, MO

Closed · opens tomorrow 7:00 AM

Directions Call

Illustrative photo

Opening hours

Closed · opens tomorrow 7:00 AM

Weekly opening hours of Sonic
Monday	7:00 AM – 10:00 PM
Tuesday	7:00 AM – 10:00 PM
Wednesday	7:00 AM – 10:00 PM
Thursday	7:00 AM – 10:00 PM
Friday	7:00 AM – 10:00 PM
Saturday	7:00 AM – 10:00 PM
Sunday	8:00 AM – 10:00 PM

Local time in Mount Vernon: 11:31 PM (CDT). Holiday hours may differ – call (417) 466-7359 to confirm.

Location & directions

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635 East Mount Vernon Boulevard
Mount Vernon, MO 65712

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About Sonic

Sonic is a fast food restaurant you'll find at 635 East Mount Vernon Boulevard in Mount Vernon, Missouri. Our Mount Vernon guide covers 6 food and drink spots, and this is one of them.

Sonic is open 7 days a week, usually 7:00 AM – 10:00 PM. Early risers are covered too: doors open at 7:00 AM most days.

You can visit for takeout. On the menu: burgers.

For questions or orders, call (417) 466-7359.

Quick facts

Category: Fast Food Restaurant · Burger
Address: 635 East Mount Vernon Boulevard, Mount Vernon, MO 65712
Phone: (417) 466-7359
Hours: Open 7 days a week, usually 7:00 AM – 10:00 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

Reviews

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Frequently asked questions

What are Sonic's opening hours?

Open 7 days a week, usually 7:00 AM – 10:00 PM. Monday: 7:00 AM – 10:00 PM; Tuesday: 7:00 AM – 10:00 PM; Wednesday: 7:00 AM – 10:00 PM; Thursday: 7:00 AM – 10:00 PM; Friday: 7:00 AM – 10:00 PM; Saturday: 7:00 AM – 10:00 PM; Sunday: 8:00 AM – 10:00 PM.

Is Sonic open on Sunday?

Yes, Sonic is open on Sundays: 8:00 AM – 10:00 PM.

Where is Sonic located?

Sonic is located at 635 East Mount Vernon Boulevard, Mount Vernon, MO 65712.

What is the phone number of Sonic?

You can call Sonic at (417) 466-7359.

Does Sonic offer delivery or takeout?

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