Bought a sample first. The phone column was live for 95% of the rows I tested. Bought it to underpin a United States buy pentair distributor locations for un campaign. No complaints from the field reps.
Bought this for a cold outbound push. Bounce rate stayed under 4% on a 1,000-contact email send. Bought it for a United States-focused buy pentair distributor locations for un territory cut. One column I'd add next refresh: secondary email.