Mr. Number develops apps for smartphones that let consumers control who can call or text them and when. More than four million people use Mr. Number to let friends know when they are free to talk and when they are busy; to block calls and texts from people that they don’t want to hear from again; and to find out who is calling when they don’t recognize a number in the first place. Backed by Menlo Ventures, Mr. Number was founded by Jason Devitt and Mike Wells and is based in Palo Alto, CA.
| Website | http://mrnumber.com |
| Revenue | $192000 |
| Employees | 1 (0 on RocketReach) |
| Founded | 2010 |
| Address | 122 2Nd Ave. Ste. 202, San Mateo, California 94401, US |
| Phone | +1 650-347-3357 |
| Technologies |
JavaScript
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HTML
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+16 more
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| Industry | Telecommunications, Wireless Services, Android, Communication Software, Mobile, Platforms, Software, Mobile Apps, Apps |
| Keywords | Spam Call Blocker, Contact Management App |
| Competitors | Hiya Inc., Truecaller, YouMail Inc., CallApp, Nomorobo, Call Control, PrivacyGuard, RoboKiller, TrueCall, Who Called Me (view competitors) |
| SIC | SIC Code 48 Companies |
| NAICS | NAICS Code 51 Companies, NAICS Code 517 Companies |
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Mr. Number Questions
The Mr. Number annual revenue was $192000 in 2026.
Mr. Number is based in San Mateo, California.
The NAICS codes for Mr. Number are [51, 517].
The SIC codes for Mr. Number are [48].
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