Phone list guides for sales teams
How to keep calling and texting lists clean, compliant and worth dialing. Plain English, with links to the FTC and FCC rules.
Phone list cleaning: a practical guide for sales teams
How to clean a phone list before you dial or text: remove dead and invalid numbers, flag landlines and VoIP, dedupe, normalize formats, and handle compliance steps.
DNC scrubbing basics for sales teams
Plain-English basics of Do Not Call scrubbing: the National DNC Registry, the 31-day rule, internal DNC lists, exemptions, safe harbor, and penalties, with FTC and FCC sources.
Why your dialer keeps hitting dead numbers
Why predictive and power dialers burn time on disconnected numbers, fast busies and intercept messages, what it does to connect rates and caller reputation, and how to fix it.
The FCC Reassigned Numbers Database, explained
What the FCC Reassigned Numbers Database (RND) is, who should use it, how the TCPA safe harbor works, and how it differs from phone validation and DNC scrubbing.
SMS list hygiene: keep your texts delivering
How to keep an SMS marketing list healthy: remove landlines and dead numbers, honor opt-outs, follow consent rules and CTIA guidance, and protect deliverability.
Free tool: list health calculator
Estimate dead numbers, landlines and the agent time a dirty list costs per pass.
Product pages
Phone number validation with live carrier dataBulk phone number validationLandline scrubber for texting and dialing listsVoIP number detectionPhone validation APILead list cleaningDisconnected phone number checkerCarrier lookup for any phone numberSMS list cleaningCold calling list cleaning
This guide is general information, not legal advice. TrueSearch for Business checks validity, line type and carrier from licensed telecom data. It does not check the National Do Not Call Registry, state DNC lists or the FCC Reassigned Numbers Database. Not a consumer reporting agency; not for FCRA purposes.