Where do i send my pai form? CONTACT PAI. Mailing Address: Planned Administrators, Inc. PO Box 6927. Columbia, SC 29260. Phone: 800-768-4375. Where is the corporate office for pai? PAI Corporate Office PAI Receiving & Packaging 630 Old Peachtree Road, Suwanee, GA 30024 Phone: 770-822-1000How do i contact pai de pere? PAi Direct Contact. Street address: 1300 Enterprise Drive, De Pere, WI 54115. Mailing address: P.O. Box 60, De Pere, WI 54115. Phone: 800.236.7400. Fax: 920.337.9978.