MARS Delta Dental plans remain within the negotiated 28-month rate guarantee agreement through December 31, 2026.  The Benefits Survey conducted in June 2025 indicated that the members wanted a more robust dental plan, therefore, MARS is now offering 3 dental plan options!  See the comparison below.

Effective January 1, 2026, Delta Dental / Vision will only accept automated clearing house (ACH) or check payments starting with the January payment.  You can make your monthly premium payment in one of the following ways:

• Set up an ACH payment through our secure member portal, by logging in to deltadentalco.com using a computer (not a smart phone or tablet).
  Under My Plan, click Payments & Invoices.
  Click on ACH draft – Monthly and follow the steps to enter your banking information.

• Mail a check or send directly through your bank’s bill pay to the address below, please include your member number:
  Delta Dental of Colorado
  P.O. Box 209148
  Dallas, TX 75320-9148

Delta Dental of Colorado Plan Options:

• Introductory Letter from Delta Dental
• Delta Dental Enrollment Brochure
• Base – Mid – High Plans Comparison (new for 2026)
• Locate Area Dentists

Coverage Period:

• January 1 — December 31

Enrollment Form & Payment Authorization Requirements:

2026 Enrollment Form & Payment Authorization

Complete the fillable form (above) and return it by the 20th for an effective coverage on the 1st of the following month to:

Delta Dental of Colorado
Attn: Individual Administration
P.O. Box 5468
Denver, CO 80217-5468

Or FAX: 303-889-8695

Or Email: individual@ddpco.com

Delta Dental Contact Information:

Hours of Operation: Monday – Friday 7:30 AM – 5:00 PM MST
Phone Number: 877-516-6512
Website: deltadentalco.com