Related Clues:

• Dial button sharing the '0'
• Letters by 0
• Telephone keypad abbr
• Switchboard attendant: Abbr
• Letters often near 0
• Letters on older phones
• Person who's a zero?: Abbr
• ''The Magic Flute'', to Mozart
• TUV neighbor on some phones
• Letters on a zero button
• Letters near 0
• Letters on a phone button, once
• Abbr. often under a zero
• Call router: Abbr
• Old phone button abbr