Create permanent, named number databases (like 'Already Called' or 'DNC') and match any new lead file against them. See matched vs unmatched instantly, suppress numbers you've already worked, and reuse databases across every campaign — at up to 20 million rows.
Make a named, permanent number database — e.g. 'Already Called' or 'DNC'.
Upload CSV/Excel to build or grow it. Scales smoothly to 20M numbers.
Compare a new file and instantly see matched vs unmatched, plus availability.
Download matched and unmatched lists as separate files.
Two exports — matched and unmatched — plus availability counts, so you know exactly which leads are fresh.
Yes. Upload a file of numbers to subtract from a database; the removal is saved permanently.
Databases use a packed-integer index with binary search and scale smoothly to about 20 million numbers.
Create a free account and process your first file in minutes — no card required.
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