10172
Before then , 317 had been one of the few urbanized area codes without an overlay , making Indianapolis one of the few major cities where seven-digit dialing was still possible .
 location: Indianapolis
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Indianapolis