What is ThisNumber.com?
ThisNumber.com offers a free service for looking up international phone numbers from more than 200 countries. Users can enter a full number with its country code to retrieve information such as the country of origin, geographic location, phone type (e.g., mobile, landline, VoIP), carrier details, number validity, and local time zone. For U.S. numbers, the tool provides additional data from public records, including owner name, address, and spam or scam complaint history.
The tool processes numbers by parsing and validating them against international standards, classifying line types, mapping geographic regions, identifying carriers, and detecting time zones. It supports various phone number types, including mobile, landline, VoIP, toll-free, and premium rate numbers, making it useful for identifying unknown callers, detecting scams, reconnecting with contacts, and verifying customer data.
Features
- International Coverage: Supports phone number lookups from over 200 countries worldwide
- Free Service: No cost required for basic lookups, including U.S. owner information
- Detailed Results: Provides country of origin, geographic location, phone type, carrier details, and number validity
- U.S. Specific Data: Includes owner name, address, and spam reports from public records for U.S. numbers
- Multiple Phone Types: Supports mobile, landline, VoIP, toll-free, and premium rate numbers
- Time Zone Detection: Returns local time based on the number's country and region
- Validation: Checks numbers against official international formatting rules
- Carrier Identification: Identifies the original telecom carrier assigned to the number
Use Cases
- Identify unknown international callers to decide if a missed call is worth returning
- Detect international spam and scam calls to avoid fraud
- Reconnect with contacts abroad by verifying number activity and location
- Verify customer or lead data for sales and marketing teams to improve outreach accuracy
- Check phone number validity and format before use in databases or communications
FAQs
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Is international phone number search legal?
Generally, yes, but legality depends on factors like the number's country, your location, data sources, and intended use. EU privacy rules are strict, and using lookups for harassment or prohibited purposes is illegal. -
Can I find out who owns an international phone number for free?
Yes, searching international numbers is free on ThisNumber.com, providing country, carrier, line type, region, and time zone. For U.S. numbers, owner details are also free. -
How do I know which country an unknown number is from?
Check the digits at the front; international numbers start with '+' followed by a country code (e.g., +44 for UK, +1 for US). Use the tool to search or refer to ITU lists. -
Why can't I find information on an international number?
Many countries restrict subscriber data publication, and numbers from VoIP or prepaid SIMs may have no registered owner. Empty results are common and not an error. -
Is it safe to call back an unknown international number?
It's risky due to scams like 'Wangiri,' where callers hang up after one ring to charge premium rates. Let it go to voicemail or search the number online first.
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ThisNumber.com Uptime Monitor
Average Uptime
99.22%
Average Response Time
131.25 ms
