Free US reverse phone lookup
Who Called Me? Reverse Phone Lookup for US Numbers
Search unknown US phone numbers, browse area codes and prefixes, and check recent community reports to identify spam calls, robocalls, telemarketers, and possible scams.
Explore phone reports across the US
Latest user reports
Recent experiences shared by users.
Categories are provided by users; caller identities have not been verified.
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518-532-8030
Scam suspicionScam debt consolidation offers
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512-640-3391
TelemarketerA caller claiming to represent Senior Outreach said that new allowances for groceries and utility bills had become available.
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972-325-1094
TelemarketerA caller claiming to represent Medicare Outreach offered to check eligibility for additional Medicare benefits, mentioned a possible monetary benefit and asked whether the…
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650-204-1111
TelemarketerAn automated caller claiming to represent Google Maps sought to update a business listing and asked whether it had reached a pain management practice at the stated address.
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833-378-4542
Scam suspicionA recorded caller claiming to represent American’s Cash Award said the recipient had won a cashier’s check and a Mercedes-Benz, then requested a callback or keypad transfer to…
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380-204-9868
TelemarketerA recorded message invited the recipient to a live telephone town hall with a Republican candidate for governor, offering opportunities to hear his proposals and ask questions.
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519-351-1565
ValidA recorded caller claiming to represent Amazon’s fraud prevention team reported a phone purchase and offered keypad options to authorize it, dispute it or speak with a…
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A caller claiming to represent Senate Republican leadership requested a political donation, offered a smaller contribution after hesitation and transferred the call to someone who…
Most reported phone numbers
Popular area codes
Browse frequently searched and recently active US area codes.
Featured phone number prefixes
Explore selected prefixes with dedicated activity analysis, reported numbers, and community reports.
Popular phone prefixes
Active prefixes can help reveal repeated caller patterns and clusters of reports.
Last searched numbers
Recently searched phone numbers from visitors using who-called.us.
How reverse phone lookup works
Unknown calls are common, but not every unknown caller is a scammer. A reverse phone lookup helps you check a phone number before calling back or answering repeated calls.
On who-called.us, you can search a full 10-digit US number, browse activity by area code, and review prefixes in the format 111-111. Community reports help identify robocalls, spam, telemarketing patterns, and suspicious behavior.
You can also use recent reports and recently searched numbers to spot trends and find out whether other people are seeing the same caller activity.
Why use who-called.us
Search full numbers
Check a 10-digit US phone number and review community feedback.
Browse area codes
See how phone activity is distributed across US area codes.
Explore prefixes
Group related activity using the first 6 digits of a number.
Track recent reports
Find newly reported numbers and identify suspicious calling patterns faster.
Common unwanted calls people search for
Users often search for unknown numbers after missed calls, robocalls, debt collection calls, fake tax or Social Security threats, student loan offers, survey calls, and telemarketing campaigns.
Many suspicious callers rely on urgency, repeated dialing, or vague messages. Before calling back, check whether the number already has reports from other users.
Browsing by area code and prefix can also help reveal whether multiple calls are part of the same campaign or caller pattern.
Search US phone numbers, area codes, and prefixes
Use a full number search when you already know the exact caller. Use an area code page when you want to see activity related to a geographic calling zone. Use a prefix page when you want to inspect a more specific calling block in the format 111-111.
This structure makes it easier to move from one suspicious call to related numbers and deeper report pages, which is useful both for visitors and for search engine discovery.