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United States Phone Number Lookup - Find Who's Calling You

United States Phone Number Lookup

Identify unknown calls, spam numbers, and business callers in United States using community reports.

US +1
Used by 1M+ users
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Most Reported Spam Numbers in United States – Last 7 Days

Live database of United States's most active spam landline numbers, scam callers, and unwanted telemarketers reported by users in the past week. Identify, verify, and block suspicious +1 phone numbers before they reach you.

Recent Phone Number Reports in United States

Read the latest community-submitted spam, scam, telemarketing, and unknown-caller reports for United States phone numbers.

Community report

(844) 622-1807

Unknown
Toll-Free Number United States · +1
This unknown number has been calling me for the past 3 or 4 weeks now the number appears to be calling between 8am to 11pm I would very much appreciate if you get this problem situated immediately.

Community report

(202) 226-2918

Unknown
Verizon United States · +1
I am continuously getting calls from different DC numbers. In the past 2 days I’ve gotten 15 calls. I block each one as it comes through

Community report

(423) 545-4896

Scam suspicion
AT&T United States · +1
harassing me all the time! Calling 20 times a day! Leaving voice messages! Scam!

Community report

(423) 545-4896

Scam suspicion
AT&T United States · +1
harassing me all the time! Calling 20 times a day! Leaving voice messages! Scam!

Community report

(775) 204-1713

Scam suspicion
T-Mobile United States · +1
Hes one of those new social security number scammers, be very cautious folks

Community report

(225) 532-3011

Unknown
AT&T United States · +1
Recording says they are from IRS and states u r under investigation 4 a crime called 3 times in a 8 hr period

Community report

(860) 300-8267

Telemarketer
Verizon United States · +1
Getting 3 calls per day from this number every day having to do with medical alert systems. This is bordering on hara**ment.

Community report

(202) 657-4510

Other
Verizon United States · +1
RECEIVED A CALL FROM 202 657 4510 STATING THEY WERE THE IRS AND I OWE MONEY I KNEW WAS A SCAM SO I TRANSFERRED THEM TO THE IRS NUMBER 800 829 1040

Community report

(256) 979-8494

Unknown
AT&T United States · +1
Keep getting a call from this number. Finally answered but no one would speak. Called number back and not a valid number. Scam!!!

Community report

(705) 243-6486

Tax Scam (IRS,CRA)
Unknown United States · +1
Scam phone call pretending to be CRA, sounds automated and is completely fake

Community report

(304) 350-1905

Scam suspicion
Verizon United States · +1
Hey this is Officer Katherine Richardson back numbers 002569 from the Federal Bureau of Investigation this message has been sent to you as a final notification against your case with the Department of tax and crime investigation right now your physical address is under investigation and an arrest warrant has been issued under your name for further queries and resolving this case contact the below number of the tax and Crime Investigation Department 928-439-4185 I repeat 928-439-4185 thank you.

Community report

(603) 764-7076

Scam suspicion
Verizon United States · +1
Guys, this appears to be a scam, pretending to be Social Security saying your Social was cancelled due to suspicious activity. Don't give them information. Lets report this guy to FTC. 1) Make sure you register your phone number at https://donotcall.gov/register/reg.aspx 2) File a complaint at https://complaints.donotcall.gov/complaint/complaintcheck.aspx I reported all 9 calls I received today as complaints on donotcall.gov. Do the same and push back against these con-artists.

Community report

(813) 540-9575

Unknown
T-Mobile United States · +1
So many time I want to tell them I'm not living in Florida (robot calling I can't say any) I working in Arizona but I still have FL phone number, but they keep calling wake me up at 5 or 6 before 7 in the morning

Community report

(225) 283-5039

Scam suspicion
AT&T United States · +1
Called and said that ke and my family were under investigation to fraud from the IRS. Never mentioned a name or anything. Said they have been looking for me for 6 months.

Recent Phone Number Lookups in United States

See the latest United States numbers searched by the WhoseNo community

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Help others by sharing your experience with unknown callers

US +1

Your report is anonymous. We never share your personal information.

Whose Number Is This in United States?

With over 105 billion unwanted robocalls made in the US annually, receiving calls from unknown numbers is a daily challenge for Americans. Whether it's a missed call from an unfamiliar area code, potential IRS scam, or suspicious telemarketer, our community-powered phone lookup service helps you identify who's calling before you pick up.

Our reverse phone lookup service allows American users to search for phone numbers and access reports from other community members. By sharing experiences and reporting spam or robocalls, we create a safer telecommunications environment for everyone across all 50 states.

Common Spam Call Types
in United States

  • IRS impersonation calls demanding immediate payment
  • Tech support scams claiming your computer has a virus
  • Social Security scams threatening arrest or suspension
  • Fake package delivery texts from USPS or Amazon

How to Identify Scam
Numbers

  • Caller claims urgency or threatens consequences
  • Requests personal info, PINs, or OTP codes
  • Offers that sound too good to be true
  • Unknown numbers calling repeatedly

Are Unknown Calls Always
Dangerous?

Not all unknown calls are harmful. Many legitimate callers include:

  • Delivery services confirming orders
  • Banks calling for legitimate verification
  • Medical offices, pharmacies, or hospitals
Pro Tip
Register your number on the National Do Not Call Registry at donotcall.gov. The FCC requires carriers to use STIR/SHAKEN technology to verify caller IDs. The IRS never calls demanding immediate payment - they always send a bill by mail first. Report scams to ReportFraud.ftc.gov.

Frequently Asked Question

Everything you need to know about phone number lookup in United States

Enter the US phone number in WhoseNo's search box. Our free reverse lookup searches millions of records to identify the caller, show carrier information (AT&T, Verizon, T-Mobile), display user reports, and reveal if the number has been reported as spam or robocall.

The USA country code is +1, shared with Canada and other North American countries under the NANP (North American Numbering Plan). US numbers are formatted as +1 (XXX) XXX-XXXX, where XXX is the area code. For example, a New York number (212) 555-1234 becomes +1-212-555-1234 internationally.

Unlike some countries, US phone numbers aren't assigned to specific carriers by prefix. Due to number portability, users can switch carriers while keeping their number. Our lookup tool queries carrier databases to identify the current service provider for any US number.

Yes, WhoseNo provides completely free reverse phone lookup for all US numbers including AT&T, Verizon, T-Mobile, and regional carrier mobiles, as well as landlines across all 50 states. No registration or payment is required to search numbers or view results.

Search the number on WhoseNo and submit a report describing the call. For serious fraud, report to the FTC at ReportFraud.ftc.gov, file a complaint with the FCC, or register your number on the National Do Not Call Registry at donotcall.gov. You can also report to your phone carrier.

WhoseNo shows information that's publicly available or user-reported. This may include names from social media profiles, business registrations, or community reports. We don't have access to private telecom company databases or government records.

Common scams include IRS impersonation calls demanding immediate payment, tech support scams claiming your computer has a virus, Social Security scams threatening arrest, fake lottery/prize calls, loan and debt relief scams, Medicare fraud calls, and package delivery text scams from fake USPS or UPS.

The US has over 335 area codes. Major city codes include: New York City (212, 718, 917), Los Angeles (213, 310, 323), Chicago (312, 773), Houston (713, 281), Phoenix (480, 602), Philadelphia (215, 267), and Miami (305, 786). California has the most area codes (38), followed by Texas (28) and Florida (23).

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About WhoseNo.com

What We Provide

  • Community-submitted reports about phone numbers
  • General carrier and area code information
  • A platform for users to share experiences with unknown callers

What We Do NOT Provide

  • Real-time location tracking
  • Personal information about phone owners
  • Access to private records

This service is intended for identifying spam and scam calls only. Using our service to harass, stalk, or monitor individuals is strictly prohibited and may violate local laws.

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