Location and access
Published hoursOpen 24 hours every day
Overnight access24-hour dine-in
Phone(405) 342-0010
Verified2026-08-20
What is available overnight
24-hour dine-in
Exact official Denny's page lists every day as Open 24 Hours; services include walk-ins and take out.
Confirm current hours and access before making a special trip.
Verification evidence
Why this exact location qualifies
Exact Denny's page confirms 3030 South I-35 Service Rd., Oklahoma City, and Open 24 Hours for all seven days; services include walk-ins and take out.
Verified from the official source on August 20, 2026.