Related Clues:

• Phone co. helper
• 0 neighbor
• Phone letters near 0
• Telephonic trio
• Keypad abbr.
• Letters near the 7, on some phones
• It's to the left of #
• Abbr. paired with zero
• Phone button abbr.
• Abbr. to the right of a star
• Letters near 7, on some phones
• Phone letters
• Zero letters
• Letters on a phone's "0" button
• Abbr. near the 0