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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
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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.

No active landline spammers found yet

We will show numbers here as soon as landline call activity is detected in the last 7 days.

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

(210) 767-3390

Tax Scam (IRS,CRA)
AT&T United States Β· +1
a voice warned me that they were from the IRS and would have our local sheriff arrest me if I didn't call back

Community report

(310) 579-6398

Unknown
AT&T United States Β· +1
Unsolicited caller. Answered and the person would not state the purpose or their name. The caller hung up when I asked who they were.

Community report

(210) 767-3390

Tax Scam (IRS,CRA)
AT&T United States Β· +1
Message stating to call back 1-210-767-3390 or a sheriff would be coming to my right away to arrest me.

Community report

(210) 767-3390

Tax Scam (IRS,CRA)
AT&T United States Β· +1
Message stating to call back 1-210-767-3390 or a sheriff would be coming to my right away to arrest me.

Community report

(619) 209-1501

Scam suspicion
AT&T United States Β· +1
The call recipient is purported to have 4 serious allegations against them and itÒ€ℒs imperative that the caller return the call within 24 hours...... of course, the call recipient isnÒ€ℒt named by name, the caller does not say who they are and there is no detail as to the reason for the allegations - spam all the way.

Community report

(210) 767-3390

Tax Scam (IRS,CRA)
AT&T United States Β· +1
Hello this call is from the investigation division of internal revenue services the reason behind _ҁ _ҁ _ҁ _ call is that there is a case _ҁ _ lawsuit getting filed under your name the moment you receive this message I need you to get back to me on my department division number that is 210-767-3390 I repeat 210-767-3390 now if I don't hear a call from you we will have to issue an arrest warrant from your local sheriff and get you arrested so get back to us as soon as possible thank you and God _ҁ _ҁ _ҁ _ҁ _ҁ _ҁ _ҁ _ҁ _Ò€¦Ò€

Community report

(310) 909-7576

Tax Scam (IRS,CRA)
AT&T United States Β· +1
Repeated calls - claims to be IRS criminal investigation dept. requests callback prior to issuing arrest warrant.

Community report

(210) 767-3390

Unknown
AT&T United States Β· +1
scammer try state that he is a law inforsmant and ask you to call him or you be arrested , all i can say F*** Y*** , M**** F*** :)

Community report

(210) 767-3390

Unknown
AT&T United States Β· +1
scammer try state that he is a law inforsmant and ask you to call him or you be arrested , all i can say F*** Y*** , M**** F*** :)

Community report

(210) 767-3390

Tax Scam (IRS,CRA)
AT&T United States Β· +1
Called saying if I didn't return their call there would be an arrest warrant issued.

Community report

(614) 897-0042

Unknown
Unknown United States Β· +1
I am on DO NOT CALL LIST and this number and others in this area code continue to call me 5 or 6 times per day. Even as blocked call. SCAM issue

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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