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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
Community-powered
Free & anonymous

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

(876) 306-4531

Scam suspicion
Unknown United States · +1
Called husband and told him he's from PCH . that we won money 1.5 million. We needed to send him 100+$..but when we called him out. He calls us names and hung up. HUGE scam!

Community report

(304) 451-1722

Unknown
Verizon United States · +1
i will not answer. they call i don't answer they call right back.. then about an hour later they start again . this goes on all day long

Community report

(458) 207-2486

Telemarketer
Unknown United States · +1
When I told them I was not interested and that I am on the do not call list, he told me I should throw my phone away and then hung up on me.

Community report

(405) 610-0893

Unknown
T-Mobile United States · +1
This number has been calling and says it will connect now after about 1 minute. This is a very big scam

Community report

(405) 610-0893

Unknown
T-Mobile United States · +1
This number has been calling and says it will connect now after about 1 minute. This is a very big scam

Community report

(360) 288-4106

Tax Scam (IRS,CRA)
T-Mobile United States · +1
Claimed that Law enforcement would be contacted if I did not call back to discuss case against me.

Community report

(415) 275-1043

Unknown
AT&T United States · +1
This person text messaged me and claimed that my loan app was approved and I needed to provide personal info to get the money deposited to my bank account. Its a scam

Community report

(713) 454-7978

Scam suspicion
AT&T United States · +1
left a voicemail saying they were Social Security Office and there was possible fraudulent activity against my ssn#... please investigate. Thank you.

Community report

(484) 285-2889

Unknown
Verizon United States · +1
Vulgar pictures and messages sent through this number. Please be advised to not respond. Phone number under federal investigation

Community report

(970) 316-5688

Scam suspicion
T-Mobile United States · +1
Dealer services about warranty for car i dont own. They call every f*cking day. I would literally gouge this person's eyes out if i met them. Been on do not call list since 2009 and still get this bullsh**

Community report

(970) 316-5688

Scam suspicion
T-Mobile United States · +1
Dealer services about warranty for car i dont own. They call every f*cking day. I would literally gouge this person's eyes out if i met them.

Community report

(614) 681-4675

Scam suspicion
Unknown United States · +1
Trying to pay for 780.00 dollars over the phone with a credit card for his kids to receive a ma**age for a month.

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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