Our Customer Service team is pleased to answer any questions you may have about your dental benefits plan with Delta Dental of Oklahoma.

Contact Customer Service
Monday - Thursday, 7:00 a.m. - 6:00 p.m.
Friday, 7:00 a.m. - 5:00 p.m.

405-607-2100 (OKC Metro)
800-522-0188 (Toll Free)

2025 Holiday Schedule

• January 1, 2025 New Year's Day
• February 17 Presidents' Day
• April 18 Good Friday
• May 23-26 Memorial Day Holiday
• June 19 Juneteenth
• July 3-4 Independence Day Holiday
• August 29-September 1 Labor Day Holiday
• October 17 Fall Holiday
• November 26 Thanksgiving Holiday (close at noon)
• November 27-28 Thanksgiving Holiday
• December 24-26 Christmas Holiday
• January 1-2, 2026 New Year's Holiday