The dream symbol "911" often represents a sense of urgency or emergency in one's waking life. Dreaming about 911 may indicate that the dreamer is feeling overwhelmed, stressed, or in need of immediate help or attention. This symbol may also reflect a deep desire for support or guidance in a challenging situation. Additionally, it could signify a subconscious fear of a crisis or a warning to be prepared for unexpected events. The specific context and emotions within the dream can provide further insight into the personal meaning behind this symbol.