whose number is this
US United States Phone Lookup

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.

Used by 1M+ users
Community-powered
Free & anonymous

Recent Reports About Phone Numbers in United States

Community-verified reports from United States users

Toll-Free Number Unknown

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.

2018-08-22 10:23 AM
View More Reports β†’
Toll-Free Number Scam suspicion

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!

2018-08-22 10:17 AM
View More Reports β†’
Toll-Free Number Other

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.

2018-08-22 09:37 AM
View More Reports β†’
Unknown Tax Scam (IRS,CRA)

I should call them back or I'll be taken into custody by local authorities in 24 hours.

2018-08-22 09:16 AM
View More Reports β†’
AT&T Tax Scam (IRS,CRA)

SAYS YOU HAVE CHARGES PRESSED AGAINST YOU COPS WILL COME AND GET YOU IF YOU DONT CALL BACK

2018-08-22 08:34 AM
View More Reports β†’
T-Mobile Unknown

Calls my phone everyday, leaving messages about calling the local police about a case against me?

2018-08-22 07:40 AM
View More Reports β†’
Verizon Scam suspicion

This call is from Social Security Administration Office the reason behind this call is that we have received orders and notices from law enforcement agencies to suspend your social security number on an immediate basis as we have received suspicious trails of information in your name The moment you receive this message I need you to get back to me on my department division number that is 240-760-1814 I repeat 240-760-1814 now if I don't hear a call from you we will have to issue an arrest warrant under your name and get you arrested so get back to me as soon as possible thank you.

2018-08-22 07:23 AM
View More Reports β†’
Toll-Free Number Scam suspicion

Stating in call they are from Illinois Office of Economic and Business Development - NOT!!!

2018-08-22 06:38 AM
View More Reports β†’
Unknown Scam suspicion

Appeared to be an illegal scam called to scaring people into calling back to prevent social security number from being cancelled from the system.

2018-08-22 04:11 AM
View More Reports β†’
T-Mobile Unknown

These callers are fraudulent they ripped me off 200.00 dollars they claim to be facebook I got locked out of my account they said they'd help my stupidity but they are ripping a lot of people off.

2018-08-21 06:31 PM
View More Reports β†’

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).

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.