Contact the csONE Benefit Solutions team by phone, email, or fax. You can also fill out our brief form and a team member will follow up shortly.
Contact Us
csONE Benefit Solutions
Two Delta Drive, Suite 301
PO Box 1320
Concord, NH 03302-1320
Main Line: 1 (603) 227-2000
Toll Free: 1 (888) 227-9745
Fax: 1 (603) 224-4256
Flexible Benefits
Mailing Address
PO Box 1320
Concord, New Hampshire 03302-1320
Fax: 1 (603) 224-0230
Flex Customer Service
Email: flexiblebenefits@csONE.com
Toll Free: 1 (888) 227-9745 ext. 2040
Department Hours:
Monday – Friday
8:00am – 4:30pm
COBRA Compliance Administration
Premium Payment Address
PO Box 1320
Concord, New Hampshire 03302-1320
COBRA Customer Service
Toll Free: 1 (888) 227-9745 ext. 2020
Fax: 1 (603) 224-4256
Email: cobra@csONE.com
Marketing & Support Services
Phone: 1 (603) 227-2010
Fax: 1 (603) 224-4256
Email: marketingadmin@csONE.com