No Cell Phones Allowed Sign - Free Printable Warning Sign #21588 (License: Personal Use)

This black-and-white sign features large, legible text stating “NO CELL PHONES ALLOWED,” with a red prohibition circle over a classic mobile phone icon for instant visual recognition. Designed for high visibility and compliance, it’s suitable for mounting on doors, walls, or desks in areas requiring silence or security. The clean layout ensures readability from a distance and across diverse lighting conditions.

Used in libraries, exam halls, hospitals, religious venues, courtrooms, and corporate meeting rooms where electronic device use is restricted; matches user intent to find ready-to-print signage for policy enforcement.