Try calling one of the following numbers for some funny responses:

The number on Eloise's card (555-1204)
The police tip line from the article in Jake's locker (555-4855).
The drug store (555-3784)
Tony's pizza (number on sign by phone).
The Judo club (555-5836).
The Save The Manaties Club (number in book at library)
Maxine's Diner (number on matchbook in boiler room after sabotage).