Contact Us
| Mailing Address: | Meeting Registration 6900 Grove Road Thorofare, NJ 08086-9447 |
| Toll-Free Phone: | 877-307-5225, ext. 219 or 476 |
| International Phone: | +(1) 856-848-1000, ext. 219 or 476 |
| Fax: | 856-251-0278 |
| E-mail: | meetingregistration@slackinc.com |
| Office Hours: | 9:00 AM - 5:00 PM (EST), Monday - Friday |