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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

(602) 362-3923

Scam suspicion
Unknown United States · +1
I received a call from this number about five minutes ago! It's a female auto caller voice telling the person they must call them back because if you don't within 24 hours this will exspire and the police are going to arrest you because there are four cases pending against you! First no one in this house hold has ever been arrested. Secondly no policing authority calls you and leaves threatening messages that they are going to arrest you if you do t call back! They just come and find you then arrest! I received similar random callers like this before and they are shake down artists trying to get info from you and to get money out of your. I've even had them charge you for the phone calls to them against your phone bills! These are illegal calls!

Community report

(626) 604-1598

Tax Scam (IRS,CRA)
AT&T United States · +1
Said they were calling from the IRS. Threatened to have me arrested for unpaid taxes.

Community report

(313) 209-6270

Tax Scam (IRS,CRA)
Unknown United States · +1
Robocaller. Call regarding taxes. Says must contact them within 24 hours or they will start legal action

Community report

(214) 347-4669

Other
AT&T United States · +1
Said that my SSI was being used wanted me to call them back for this issue. I did not do it just checking with the number on Google Search.

Community report

(214) 347-4669

Other
AT&T United States · +1
Said that my SSI was being used wanted me to call them back for this issue. I did not do it just checking with the number on Google Search.

Community report

(844) 343-9685

Unknown
Toll-Free Number United States · +1
This person calls several times a day wanting to deliver a fax to my son. No indication of what this is about. My son does not live here and I have had no contact with him.

Community report

(888) 362-3630

Scam suspicion
Toll-Free Number United States · +1
Impersonating a police or federal law enforcement officer is a felony - about time the scammers who run these robocall operations were put behind bars or water-boarded!

Community report

(816) 463-2176

Unknown
T-Mobile United States · +1
Calls every week or so. When you pick up and listen nobody says anything. Then they hang up.

Community report

(855) 326-1700

Other
Toll-Free Number United States · +1
they called for someone other than myself and stated that documents were being prepared for Stephanie Barrow (I think that's what he said) and that it is in reference to #583325 should there be any questions. If no response is received, the address will be verified and the documents prepared.

Community report

(602) 362-3923

Tax Scam (IRS,CRA)
Unknown United States · +1
I should call them back or I'll be taken into custody by local authorities in 24 hours.

Community report

(737) 209-3441

Tax Scam (IRS,CRA)
AT&T United States · +1
SAYS YOU HAVE CHARGES PRESSED AGAINST YOU COPS WILL COME AND GET YOU IF YOU DONT CALL BACK

Community report

(206) 923-9665

Unknown
T-Mobile United States · +1
Calls my phone everyday, leaving messages about calling the local police about a case against me?

Recent Phone Number Lookups in United States

See the latest United States numbers searched by the WhoseNo community

Report a Phone Number

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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