Wiza is the go-to B2B contact database and sales prospecting platform for 50k+ professionals, offering real-time verified contact data and bulk exporting from LinkedIn. Connect quickly & easily with Wiza's chrome extension for accurate contact info and... Wiza is a B2B contact-data provider that sells business email addresses and phone numbers, and it maintains a dedicated opt-out page at wiza.co/optout-contact-info; you can also email optout@wiza.com or write to its DPO in Newark, DE. Expect to supply enough information for Wiza to verify your identity, and note the policy gives no specific response deadline, so allow the usual 45-day statutory window and re-check periodically since the company continuously re-collects professional contact data.