Contact Benefit Allocation Systems

Client Administrators’ & Employee Participants’ Service Inquiries

If you have an issue, question or concern about your new hire enrollment, open enrollment, mid-year life event, COBRA, Flexible Spending Account, Transit/Parking or retiree billing, pension statements:

Login to your private account:

Client Services Toll-Free: 1.800.945.5513

FSA Claims Submission Fax: 1.888.265.2144

Note: If your employer has contracted with BAS for extended call center hours, you can look up your organization’s direct toll-free number to BAS’ call center by using our service look up: Go to Look up

Sales and General Inquiries

Sales             1 800-945-5513, Menu Option 3

Sales (Cobra Only)    1 888-887-6187, Menu Option 3

Corporate Offices                 1 800-945-5513, Menu Option 4

Publications Offices                 1 800-945-5513, Menu Option 4

Security               1 800-945-5513, Menu Option 4

Mailing Address
PO Box 62407
King of Prussia, PA 19406