Phone Safety Guides
Understand the public phone records behind our tools and find a practical response to an unfamiliar call or message. Each guide links to primary sources for details that can change.
Understand phone numbers
Learn what area codes and public prefix assignments actually describe.
Country Calling Codes vs. Area Codes
Tell +1 220 from +220, and read US, Canadian, and London numbers without mixing up their prefixes.
Read guideHow Area Code Overlays Work
Understand why several area codes can serve one region, what changes when a new code arrives, and how to check local dialing rules.
Read guideWhat a Phone Prefix Can and Cannot Tell You
Read NPA-NXX assignment results correctly, including exchange areas, listed companies, portability, and caller ID limits.
Read guideUnfamiliar calls
Evaluate caller ID, verify a claim, and decide whether to report a call.
How to Identify Suspicious Phone Calls
Notice pressure tactics and verify unexpected callers through trusted channels.
Read guideHow to Report Suspicious Calls
Know which US reporting channel fits an unwanted call or a suspected scam.
Read guideWhat Caller ID Spoofing Means
Why a displayed phone number may not belong to the person who called.
Read guideWhat to Do When Your Phone Number Is Being Spoofed
Understand reports of calls from your number, check for account problems, and use the FCC's spoofing complaint route.
Read guideWhy Scammers May Display Local Area Codes
Understand familiar-looking caller IDs and why location alone proves little.
Read guideWhy Unknown Numbers Call
Common reasons for unfamiliar calls and a simple way to decide what to do next.
Read guideSuspicious texts
Recognize common text scams and verify messages through a trusted channel.
Common USPS Text-Message Scams
Recognize fake delivery notices and verify package status safely.
Read guideHow to Handle Suspicious Text Messages
A simple response plan for an unexpected text with a link or urgent request.
Read guideIs That Unexpected Job Offer Text a Scam?
Spot suspicious recruiter texts, check an employer independently, and protect your accounts if you already replied.
Read guideSuspicious Bank Alert Messages
Handle a surprising account alert without using the message’s link or number.
Read guideUnpaid Toll Text-Message Scams
Check a toll payment claim without opening an unexpected link.
Read guideBlock unwanted contact
Use device controls and understand what the Do Not Call Registry can do.
How the US Do Not Call Registry Works
Understand what the registry does, how to register, and why scam calls may continue.
Read guideHow to Block Spam Calls on Android
Block a number in the Phone app and understand manufacturer differences.
Read guideHow to Block Spam Calls on iPhone
Block a caller or silence unknown callers using current Apple guidance.
Read guideHow to Silence Unknown Callers
Reduce interruptions while keeping an eye on legitimate missed calls.
Read guideRecovery and verification
Take the right first steps after a click or a request for personal information.