USA NUMBER SCREENING

Prepare your calling list.

Upload up to 100,000 numbers. Validate, remove duplicates, and track Federal DNC results.

Connection required

FreeDNCList API connection required.

Checks on this website require FreeDNCList API access. Prepare your list below, then upload it to the FreeDNCList bulk checker. Numbers here remain unchecked until a verified result is received.

Open FreeDNCList bulk checker

Upload numbers

↑Choose a CSV or TXT fileor drop it here · maximum 25 MB

Use one phone number per row, or a CSV with a phone column. Numbers stay in this browser.

Phone number column

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List summary

Total rows0

Valid, unique0

Duplicates0

Invalid0

Federal DNC cleared—Awaiting a verified lookup

Number preview

First 50 rows

Row	Uploaded number	Normalized number	Status
Your numbers will appear here after preparation.