Fast Food Restaurant – illustrative photo

Fast Food RestaurantClifton, CO

Sonic – Clifton, CO

Open now · closes 9:00 PM

Directions Call

Illustrative photo

Opening hours

Open now · closes 9:00 PM

Weekly opening hours of Sonic
Monday	7:00 AM – 9:00 PM
Tuesday	7:00 AM – 9:00 PM
Wednesday	7:00 AM – 9:00 PM
Thursday	7:00 AM – 9:00 PM
Friday	7:00 AM – 10:00 PM
Saturday	7:00 AM – 10:00 PM
Sunday	7:00 AM – 9:00 PM

Local time in Clifton: 8:12 AM (MDT). Holiday hours may differ – call (970) 434-2600 to confirm.

Location & directions

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3203 I 70 Business Loop
Clifton, CO 81520

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About Sonic

Sonic is a fast food restaurant located at 3203 I 70 Business Loop in Clifton, Colorado. It's part of our guide to 33 restaurants, cafes and bars in Clifton.

Sonic is open 7 days a week, usually 7:00 AM – 9:00 PM. Early risers are covered too: doors open at 7:00 AM most days.

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

For questions or orders, call (970) 434-2600.

Quick facts

Category: Fast Food Restaurant · Burger
Address: 3203 I 70 Business Loop, Clifton, CO 81520
Phone: (970) 434-2600
Hours: Open 7 days a week, usually 7:00 AM – 9:00 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 7 days a week, usually 7:00 AM – 9:00 PM. Monday: 7:00 AM – 9:00 PM; Tuesday: 7:00 AM – 9:00 PM; Wednesday: 7:00 AM – 9:00 PM; Thursday: 7:00 AM – 9:00 PM; Friday: 7:00 AM – 10:00 PM; Saturday: 7:00 AM – 10:00 PM; Sunday: 7:00 AM – 9:00 PM.

Is Sonic open on Sunday?

Yes, Sonic is open on Sundays: 7:00 AM – 9:00 PM.

Where is Sonic located?

Sonic is located at 3203 I 70 Business Loop, Clifton, CO 81520.

What is the phone number of Sonic?

You can call Sonic at (970) 434-2600.

Does Sonic offer delivery or takeout?

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