Numverify

Upload your CSV list or use our powerful real-time API. Clean your contact list and prevent fraud by validating phone numbers. Veriphone will validate, format, and look up the carrier and line type of any phone number. Instantly find if a phone number is valid or not. Works for all 248 countries and territories. Rewrite any valid phone number in a standard international or local format. Find a number's country based on its prefix or on the requesting IP address location. Find a phone number's line type, carrier, and region, whenever available. Validate your phone numbers list in minutes: Upload your CSV, validate, and download. Validate phone numbers in real time with our super-fast API go-to docs. We guarantee end-to-end encryption on all our services. Validated phone numbers are automatically and permanently deleted from our servers after every validation. Validate phone numbers on your favorite tools using our Zapier or Integromat integrations.

We are the experts for phone number lookups to determine phone line type. Do you need to know if phone numbers are mobile, landline, toll-free, VOIP, or fake/invalid? We cover all line types and all U.S phone companies. Run a phone number search above to see our uncanny accuracy. You can automate phone validator lookups with the phone validator API. Join the many app developers and marketing agencies who already use the API to keep their project phone numbers validated in real time. Our batch processing makes updating your phone lists easy. To run a phone number batch, just upload your CSV file and we'll do the work and email your file back.