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If you have questions about your Dental Wellness Plan or Hawki dental plan through Delta Dental of Iowa, please use the contact information below. 

Dental Wellness Plan Members 

​Monday through Friday 7:30 a.m. - 6:00 p.m. (CST)

Phone: 1-888-472-2793

Email: [email protected]

Mailing Address: 
Delta Dental of Iowa - DWP
P.O. Box 9040
Johnston, IA 50131-9040

Hawki Members

​Monday through Friday 7:30 a.m. - 6:00 p.m. (CST)

Phone: 1-800-544-0718

Email: [email protected]

Mailing Address:
Delta Dental of Iowa - Hawki
P.O. Box 9040
Johnston, IA 50131-9040

Hearing Impaired: 888-287-7312 (line available 7:30 am - 5:00 pm CST) 


Hawki Providers

​Monday through Friday 7:30 a.m. - 6:00 p.m. (CST)

Phone: 800-544-0718   Fax: 515-261-5608

Email: [email protected]

Mailing Address for General Inquiries/Appeals:
Delta Dental of Iowa - Hawki
P.O. Box 9040
Johnston, IA 50131-9040

Mailing Address for Claims:
Delta Dental of Iowa - Hawki
P.O. Box 9020
Johnston, IA 50131-9030


If you believe a claim was submitted as a result of fraud, contact Delta Dental of Iowa.

Phone: 800-544-0718 

Email: [email protected]