Telephone and Email Lookup Directory

• Do Not Call Registry FTC official
• Report Phone Fraud FTC complaint center

haveibeenpwned.com

• U.S. Area Codes Locate any area code

Reverse phone lookup allows you to enter a phone number and retrieve the registered name, carrier, and location. This is especially useful for identifying spam calls, unknown callers, or numbers left in voicemail.

• FCC Consumer Guide, Stop Unwanted Calls, Official government resource on reporting spam calls and blocking robocallers.
• National Do Not Call Registry (FTC)Register your number or verify registration to reduce telemarketer calls
• numverify.comFree phone number validation API and lookup (carrier, location, line type)
• truecaller.comCrowd-sourced caller ID covering hundreds of millions of numbers globally

Traditional white-pages directories have moved online. The resources below aggregate public records, social media, and opt-in data to help locate contact information for individuals.

• 411.com, Classic white-pages-style directory search by name and city.
• official business directory, Business phone and address directory.

Privacy note: You may opt out of major data aggregators by visiting each company's opt-out page. The Privacy Rights Clearinghouse maintains a data-broker opt-out guide.

Verifying an email address before contacting someone - or before importing a list - reduces bounce rates and confirms legitimacy. The tools below range from basic syntax checks to full deliverability verification.

• hunter.ioFree checks for syntax, domain health, mailbox existence, and catch-all server detection
• verifyemailaddress.orgReal-time SMTP verification of individual addresses
• mxtoolbox.comParse email headers to trace the origin server and detect spoofing
• haveibeenpwned.comCheck whether an email address has appeared in a known data breach

Several federal agencies and non-profit organizations maintain registries for reporting and tracking spam calls and text messages.

• FTC ReportFraud.ftc.govReport unwanted calls, robocalls, and phone scams to the FTC
• FCC Consumer Complaint CenterFile complaints about unwanted calls and texts
• nomorobo.comReal-time blacklist of robocall numbers; free for VoIP services

• Area Codes DirectoryLocate any U.S. area code or look up a number's geographic origin
• Background Check ResourcesFree guide to running a basic public records background check
• CAN-SPAM Email Spam Laws by StateState-by-state breakdown of email spam legislation
• Fraud Resources & ProtectionFederal and state agencies for reporting and recovering from fraud

Need to identify or block a number?

Start with the official FCC and FTC resources above, they're free, government-run, and the most authoritative sources for reporting unwanted calls and texts.

Open Do Not Call Registry