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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

(857) 995-1014

Unwanted call
Verizon United States · +1
It's fake business, I don't have a car or even insurance. They called me about 2 times with same thing.

Community report

(618) 408-0545

Unknown
Unknown United States · +1
Claimed to want credit card info for collections acct. I dont give credit card to incoming callers.

Community report

(404) 796-9397

Unknown
AT&T United States · +1
about refund for my computer- total scam- I hung up as soon I recognized a automated machine call

Community report

(866) 359-5370

Scam suspicion
Toll-Free Number United States · +1
Withdrew funds from my bank account without permission. I've been in constant contact for six months trying to get my money back. Get promises but no results. Find these people!

Community report

(845) 394-6217

Telemarketer
Verizon United States · +1
They called several times a day. Blocked the number. Calls started when my bank outsourced mortgage processing to Cenlar, another awful company. So much about consumer data protection.

Community report

(870) 415-0947

Harassment
AT&T United States · +1
Some child calling my phone after 1 in the morning talking about they are johnnys pizza and what kind of pizza do i want? I said that I wanted him to quit playing on my phone.

Community report

(435) 612-6203

Scam suspicion
Unknown United States · +1
Diana Phillips left message calling from financial aide-changes in student loan policy left reference# 50511. Call came from 435-612-6203. Returned call to financial aide on website and was told of a scam and to report.

Community report

(839) 253-7497

Harassment
Unknown United States · +1
This man was very rude telling me he is calling me about my home computer. I told him i worked for the Sheriffs office and he just began to laugh at me so I asked him for his ID #, he said if i work at the sheriffs office i should know that! I then told him this number will be reported and he threatened me after that and told me I was the problem with this world but his English was horrible and all he kept doing was laughing at me..Do NOT answer this number if it calls your phone EVER

Community report

(818) 539-0708

Scam suspicion
AT&T United States · +1
This caller called demanding money several times from a private number and slipped up and called showing their number then they would not return calls thereafter. The message states the Magic Jack customer is unavailable. He was extremely rude, insulting, and threatening.

Community report

(833) 899-6989

Scam suspicion
Toll-Free Number United States · +1
Left message about bounced checks that we can handle outside of court room. I do not even write checks, I only use my debit card.

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

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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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