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Customer Service

Corporate Office Address
Diapharma Group, Inc.
8948 Beckett Road
West Chester, Ohio 45069

Remittance Address
Diapharma Group, Inc.
Dept  781293
P.O. BOX  78000
Detroit , MI 48278-1293

Customer Service and Orders:
1.800.526.5224

Technical Support and Product Information:
1.800.447.3846

Local: 513.860.9324
Fax:   513.860.9635
 
General e-mail requests: info@diapharma.com
Website URL: http://www.diapharma.com

Business hours
Monday-Thursday: 8am-5pm EST, with limited phone support 5pm–8pm EST.

Friday: 8am-1pm EST, with limited phone support 1pm–5pm EST.

Diapharma Holiday  Hours

Friday, April 3, 2015 - closed
Monday, April 6, 2015 - closed

Friday, May 22, 2015 - closed
Monday, May 25, 2015 - closed

Thursday, July 2, 2015 - closed

Monday, September 7, 2015 - closed

Monday, October 12, 2015 - closed

Wednesday - Friday, 25 - 27, 2015 - closed

Thursday - Friday, December 24 - 30, 2015 - closed

Friday, January 1, 2016 - closed

Normal business hours resume Monday, January 4, 2016.

Questions? Our team members answer the phone!