The Fund Office is open weekdays, 8:30 a.m. to 4:30 p.m. There are two locations to assist you:
2625 Butterfield Rd., Suite 208E 387 Shuman Blvd, Suite 315 W
Oak Brook, IL 60523 Naperville, IL 60563
When reaching out to us by phone, the office hours do vary:
Contributions Dept. (Employer Contributions, hours or COBRA): 8:30-4:30 central time
Pension Dept. (Pension related questions): 8:30-4:30 central time
Customer Service Dept (Claim status, eligibility): 9:30-5:30 central time
By Phone or FAX
You can reach us by using the following numbers:
- PHONE: 800-621-5133
- ZENITH EMPLOYEE PHONE: 813-666-6909
- GENERAL FAX: 847-384-0197
- PENSION FAX: 847-384-0188