Relentless collector calls feel like harassment because, sometimes, they legally are. The good news: the Fair Debt Collection Practices Act and the CFPB's newer call-frequency rules give you concrete, enforceable control. Below are the steps in the order that protects you fastest, ending with the only thing that makes the calls stop permanently: resolving the debt. This is legal-adjacent information, not legal advice.
Know your FDCPA rights
The FDCPA governs third-party debt collectors, the agencies and buyers who collect on someone else's behalf. It gives you the right to be free from harassment, to demand verification of the debt, and to tell the collector to stop contacting you. Collectors generally cannot call before 8 a.m. or after 9 p.m. your local time. Knowing these rights is the leverage behind every step that follows.
Send a written "stop contact" request (and keep proof)
You can send the collector a written letter stating you want all contact to stop. Once they receive it, they generally must stop reaching out, except to confirm they will stop or to notify you of a specific action such as a lawsuit. Send it by mail with tracking, or keep a dated copy and delivery confirmation. Proof of delivery is what makes the request enforceable, so document everything.
What collectors legally cannot do
Collectors cannot harass you with repeated or abusive calls, use threats or obscene language, or make false statements, like claiming to be an attorney, threatening arrest, or inflating the amount. The CFPB's Regulation F (2021) caps call frequency at generally no more than seven calls within a seven-day period per debt. If a collector crosses these lines, note the date, time, and what was said, you can report it to the CFPB.
Validate the debt before you pay anything
Never pay on a call alone. Request written validation: the amount, the original creditor, and proof the debt is yours. Debts get sold, duplicated, and misattributed, and some are past the statute of limitations. If the details don't check out, dispute it in writing. Validation also creates a paper trail that protects you if the debt later turns into a lawsuit.
Resolve the underlying debt (the lasting fix)
A stop-contact letter quiets the phone, but it doesn't erase what's owed, an unresolved balance can still be sued on or reported. The permanent fix is to resolve the debt: a payment plan, or for unsecured balances of roughly $7,500 or more, a negotiated settlement that pays less than the full amount. Settlement has trade-offs, it can affect your credit and may have tax consequences, so weigh it against your other options. Once the debt is settled and documented, the calls stop for good.