Related Clues:

• Disappointing R.S.V.P.s
• Unlikely answers from toadies
• Tel. book collection
• Obstinate responses
• Tots often hear them
• Opposites of 76-Down
• Dissenters' responses
• ZIP codes, essentially: Abbr
• Spreadsheet fillers: Abbr
• CPA's entries
• Numbers (abbr)
• 1, 2, 3, 4, 5, etc.: Abbr
• Phone book listings: Abbr
• Mailed regrets
• Negative votes in Congress