Related Clues:

• Letters on a telephone bill
• 'Send help!'
• Letters of urgency
• AT&T competitor
• Urgent call
• AT&T alternative
• Kind of pad
• Sprint competitor
• Letter letters
• Part of a toll-free long-distance number
• Answer, in brief
• Lawyer: Abbr.
• Party giver's abbr.
• Big inits. in cellular technology
• ..._ _ _...