98164
" 10 - 10 - 321 " is a United States long-distance phone service best known for its prolific television and direct mail advertising in the late 1990 s .
 United States
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 United States