AT&T W-8 and W-9 Tax Forms
Wisconsin Bell, Inc. (DBA AT&T Wisconsin, AT&T Wholesale (Wisconsin)), PO Box 5080 Carol Stream, IL. Select the AT&T Legal Entity below and then choose the address found on your AT&T invoice. Select the AT&T Remit-To Address (where you mail your AT&T payment) below and then choose the appropriate AT&T Legal Entity.