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- Identify and block spam calls or SMS, search for unknown numbers, call and chat with friends. With a community-based spam list from over 250 million users, Truecaller is the only phone app you’ll ever need. Truecaller respects your right to privacy. Your phonebook is never made searchable or public. AVOID ANNOYING SPAM CALLS & SMS
- OpenCNAM is a Caller ID API product that features RESTful, SS7/SIGTRAN, ENUM and SIP interfaces making integration simple for any switch, PBX, SIP server or app.
- Callblock is the first app that lets you stop telemarketing phone calls in iOS (https://techcrunch.com/2016/09/07/callblocks-new-ios-app-will-block-calls-from-over-2-million-telemarketers/), with the world’s biggest directory of telemarketers – now over 3,000,000 classified entries from over 100 countries!
- Ring4 - Smart Phone Number app Phone numbers on demand. Download and get a free number in 🇺🇸 🇬🇧 🇨🇦 🇳🇱 🇹🇩 🇦🇹 🇫🇷, talk and text with not limit! #ios #AppStore #phoneNumber
- FullContact is a privacy-safe Identity Resolution company building trust between people and brands. We provide the data + intelligence you need in your platforms to accurately identify people and optimize experiences—while putting privacy and security first.
- SpoofCard is the app that will not only give you privacy, but it will let you have fun at the same time. It comes with tools that change your voice gender in real time, add background sounds like you are calling from some other place, record a call and let you download it, change your number for calls and texts or even puts direct voicemails!
- Hiya is a Seattle-based company that sells caller profile information to identify incoming calls and block suggested unwanted ones.
- Hello connects with Facebook so you can see who’s calling, block unwanted calls and search for people and places.










