Fact Monster is an educational website geared towards children. It is owned by Infoplease and, like the Infoplease site, it contains several reference works under one umbrella, including the Columbia Encyclopedia, Random House Dictionary, an atlas and an almanac. It also features quizzes, flashcards, a homework center and Flash-based games. Fact Monster launched in 2000.
| Website | http://factmonster.com |
| Revenue | $52.6 million |
| Employees | View employees |
| Founded | 1998 |
| Address | PO Box 51660, Boston, Massachusetts 02205, US |
| Fax | (413) 548-8148 |
| Industry | Training, Online Portals, Education, Internet Services |
| Competitors | Brain, Infoplease, World Book, Inc., Dictionary.com, LibrarySpot, Britannica Home (view competitors) |
| SIC | SIC Code 27 Companies, SIC Code 273 Companies |
| NAICS | NAICS Code 51 Companies, NAICS Code 511 Companies, NAICS Code 5111 Companies, NAICS Code 51113 Companies, NAICS Code 511130 Companies, NAICS Code 61 Companies, NAICS Code 611 Companies |
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Factmonster Questions
The Factmonster annual revenue was $52.6 million in 2026.
Factmonster is based in Boston, Massachusetts.
The NAICS codes for Factmonster are [51, 61, 511, 611, 5111, 51113, 511130].
The SIC codes for Factmonster are [27, 273].
