A collection call is not proof that you owe the money. Before you pay, agree to a plan, or give out financial information, find out who is calling, what account they mean, and whether the amount is accurate.

For U.S. consumer debts, the practical order is simple: get the claim in writing, verify the company through an independent source, compare the account with your records, and then decide whether to dispute, pay, settle, or report the contact. State rules can add protections, so treat this as general consumer information rather than legal advice.

Which debt collection rules apply?

The Fair Debt Collection Practices Act, or FDCPA, is the main federal law governing many third-party debt collectors. The Federal Trade Commission's debt collection FAQs describe limits on harassment, deception, threats, and repeated calls.

That law usually does not cover an original creditor collecting its own account under its own name. That does not mean the creditor can do anything it wants: other federal and state laws may still apply.

A state license search can be useful when a state requires collection agencies to be licensed. It does not establish that a particular debt is valid, that the balance is correct, or that the caller is authorized to collect from you.

Caller ID, a polished website, a company logo, or a convincing script are not enough. Scammers can imitate all of them.

Verify the debt before you pay

Keep the first conversation short. Write down what the caller says, but do not give them your full Social Security number, bank login, one-time security code, or debit-card details to "confirm" your identity.

Then work through the claim.

1. Get the caller's identifying details. Ask for the person's name, the company's legal name, mailing address, callback number, claimed balance, original creditor, and account reference. Ask whether the company owns the debt or is collecting for someone else.

2. Ask for a validation notice. A collector generally must provide validation information in the initial communication or within five days afterward, unless the required information was already provided. The notice should identify the debt, the creditor, the amount claimed, and your right to dispute it.

3. Check the company independently. Search the legal business name through a state attorney general's office, financial regulator, or licensing database. Do not rely on the phone number, email address, or website supplied by the caller.

4. Contact the original creditor using a trusted number. Use a past statement, contract, or the creditor's official website. Ask whether the account was assigned or sold and who currently owns it. Do not use a number the caller gave you.

5. Compare the claimed balance with your records. Look at the creditor name, account number, dates, payments, interest, fees, and total balance. A collection claim can be wrong because the account was paid, the amount contains an error, the debt belongs to another person, or identity theft occurred.

6. Treat high-pressure demands as a warning sign. Claims of immediate arrest, criminal charges, violence, or supposed government action deserve extra scrutiny. The FDIC warns that fraudsters may pose as government officials or law enforcement while attempting to collect debts that do not exist. Its consumer guidance on debt collectors outlines common warning signs.

Limits on collection calls and messages

Federal protections are not limited to the number of calls. A collector may violate the law through threats, lies, abusive language, or unfair pressure even if it calls less often than the maximum described below.

When and how often a collector may call

The FTC says a collector generally cannot call before 8 a.m. or after 9 p.m. in your local time zone unless you agree to different hours.

For a particular debt, collectors also cannot call more than seven times in seven days or call within seven days after speaking with you by phone about that debt. Keep a call log with the date, time, number used, name of the caller, and a brief note about what was said. It can help show a pattern that a single call would not.

What collectors may tell other people

A collector generally cannot tell relatives, coworkers, neighbors, or other third parties that you owe a debt. In limited situations, it may contact someone to obtain location information. That does not normally allow the collector to reveal the debt itself.

Collectors also cannot lie about the amount owed, pretend to be law enforcement, threaten harm, use obscene or profane language, or threaten action they cannot legally take. Save messages that contain threats or misleading claims, including voicemails, texts, emails, and letters.

How to ask a collector to stop contacting you

If you want a collector to stop communicating with you, send a dated written request by mail to the address in its validation notice. Keep a copy and, where practical, proof of delivery.

A request to stop contact does not cancel the debt. It also does not prevent every future communication. The collector may still tell you that it will stop contacting you or that it or the creditor may take a specific lawful action.

This option is most relevant to a debt collector covered by the FDCPA. If the caller is the original creditor, different rules may apply. When the debt is not yours, say so plainly in your letter and request no further contact.

Dispute a debt in writing

The timing of a dispute matters. If you dispute a debt in writing within 30 days after receiving the validation notice, the collector generally must stop collection activity on the disputed amount until it provides verification.

A phone call may put the collector on notice that you disagree, but do not rely on a call alone to trigger the written-dispute protection.

Your letter does not need legal language. Keep it factual:

I dispute this debt and request verification. Please provide the name of the original creditor, the amount claimed, account information, and information showing your authority to collect. Please send future communications to me in writing at the following address: [your mailing address].

Send it to the address shown on the collector's notice. Retain a copy of the letter, any supporting documents, proof of mailing, and the response. If you have proof that the account was paid, send copies rather than original documents.

A dispute with a collector is separate from a credit-report dispute. If the same account appears on your credit report, review the credit reporting agency's dispute process as well.

Be careful with old debts

A debt can become time-barred after the applicable statute of limitations expires. The deadline depends on the type of debt and the relevant state law, which may be the law of your state or the state named in the credit contract.

If a debt is truly time-barred, the FTC says a collector cannot sue to collect it. The collector may still contact you unless you send a written request to stop.

Do not assume an old account is time-barred just because you have not heard about it recently. Before making a partial payment, agreeing to pay, or acknowledging the debt, find out the account's age and the applicable state rule. In some states, a payment or acknowledgment can affect the limitations period.

A local legal-aid organization, consumer attorney, or state regulator may be able to explain the deadline that applies where you live.

If you choose to pay or settle

Confirm the collector, creditor, balance, and payment instructions before sending money. For a settlement or payment plan, request the terms in writing first. The document should state:

• the total amount to be paid and the number of payments
• each payment due date
• whether interest or fees will continue
• whether the agreed amount settles the full balance
• when you will receive written confirmation or a receipt

Do not promise an amount you cannot maintain just to end a stressful call. Missing a payment may change the arrangement.

If the debt is unaffordable, compare the offer with independent credit counseling. The FTC's guidance on getting out of debt recommends asking a counseling organization what it will do, what it charges, whether it offers free education, and whether it is licensed to work in your area. A debt management plan requires regular, timely payments and may take 48 months or longer.

Reporting a suspicious or abusive collector

Build a file before submitting a complaint. Include:

• the collector's name, address, phone number, and website
• call dates, times, caller ID details, and phone numbers used
• letters, texts, emails, and voicemails
• the creditor and debt amount claimed
• payment requests, receipts, and statements
• names of witnesses or third parties contacted

You can report a problem to the Consumer Financial Protection Bureau, the Federal Trade Commission, your state attorney general, or the state agency that regulates debt collection. The FTC does not resolve individual complaints, but reports can help it identify patterns of fraud and abuse.

Do not confuse an alarming call, text, or email with formal court service. Service rules vary by state. For example, California's Department of Financial Protection and Innovation notes that email is not a permitted method for serving a summons in California. That is a California-specific rule, not a national one.

If you receive actual court papers, follow the response deadline shown on them and seek local help promptly. For an unexpected collection demand, start by preserving the message, requesting validation, and checking the account through an independent channel before you make any payment.