Phone Validator
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.
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RealValidito
RealValidito offers a suite of real-time data validation and verification tools designed to enhance the accuracy and efficiency of business communications. Their primary service, the phone validator, enables users to verify whether a phone number is valid, active, and correctly formatted, distinguishing between mobile, landline, VoIP, and toll-free numbers. This service also provides carrier and regional information, assisting businesses in optimizing their outreach strategies. RealValidito's offerings include a DNC (Do Not Call) lookup to identify numbers associated with known TCPA litigators, a gender lookup to determine the likely gender associated with a name, and a ZIP code lookup to validate postal codes and retrieve related geographic details. These tools are accessible through user-friendly APIs and support bulk validation via CSV uploads, catering to businesses of all sizes.
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Byteplant Phone-Validator
Byteplant's Phone-Validator is an advanced tool designed to validate and verify phone numbers in real-time. It ensures that phone numbers provided by users or customers are valid, correctly formatted, and associated with the correct country or region. The system checks for various factors, including whether the number is mobile or landline, and helps eliminate invalid or disconnected numbers, reducing errors and improving customer data quality. It integrates seamlessly through an API and offers bulk cleaning for large datasets, making it suitable for businesses managing large volumes of contact information. Phone-Validator enhances communication effectiveness by ensuring that every phone number in the system is accurate and up-to-date.
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1Lookup
1Lookup is an enterprise-grade data verification and intelligence platform that gives businesses real-time, high-accuracy validation for phone numbers, email addresses, and IP addresses through a unified API, helping ensure data quality, reduce fraud, and protect user experiences. It aggregates data from authoritative sources, including carrier networks, FCC databases, and global threat feeds, with daily updates to deliver sub-second verification results that detect invalid, risky, or fraudulent identities, improve deliverability, and flag disposable or suspicious contact data. The core services include phone validation with HLR and carrier lookup, phone spam and risk detection, email address validation with SMTP checks and disposable domain screening, and IP intelligence for precise geolocation, proxy/VPN detection, and risk scoring, all accessible via modern REST API calls that scale to millions of daily lookups without rate limits.
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