T-Mobile Scam Shield
Our free Scam Shield ™ app gives you control over T-Mobile’s anti-scam protections like scam ID, scam block, and caller ID, and is available to all T-Mobile postpaid customers. T-Mobile Scam Shield is a free app available to all T-Mobile postpaid customers on Android & iOS. View the number of scam likely calls. Turn on scam block. Report telemarketer, fraud, and scam calls. Report unwanted or misidentified calls. Turn on inbound caller ID. View your outbound caller ID name. Allow specific numbers to always ring through. Premium Scam Shield features are available for an additional charge. Block whole categories of calls, like telemarketers or political solicitors. Blocked number lists are stored on the network and automatically transfer to new devices. Perform a reverse number lookup for unknown callers. Includes voicemail-to-text, providing voicemail transcripts in the visual voicemail app or via text.
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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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PhoneSocials
PhoneSocials is a reverse phone lookup and phone intelligence platform designed to help users identify unknown or suspicious phone numbers using publicly available data signals. It aggregates and analyzes information such as carrier details, line type (mobile, landline, VoIP), and possible disposable number indicators to provide immediate context about a number.
The platform also scans for public web mentions and potential social media or messaging-app references linked to a phone number, helping users better understand who may be contacting them. In addition, PhoneSocials evaluates spam, scam, spoofing, and other risk indicators to generate a clearer safety overview before users respond, call back, or engage further.
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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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