From Wikipedia, the free encyclopedia
001, 0O1, O01, OO1 may refer to:
- 1 (number), a number, a numeral, and the name of the glyph representing that number
- "001" - Double-O 1 — fictional British agent, see 00 Agent
- 1992 OO1, the asteroid 10111 Fresnel
- 1997 OO1, the asteroid 9987 Peano
- O01 - an allele, see ABO
- O01 "Heussler Hamburg Heliport", see List of airports in New York
- 001, the number of the Joker's cell in Arkham Asylum
- 001, or +1 is the telephony calling code of North America; Mainly Canada and the United States.
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