Ho Chi Minh City

#100 of 104 cities

4624464642489

That piece first turns up at decimal place 14,191,415,951 of π (about 14.2 billion digits in).

Ho Chi Minh City is 13 digits on the keypad. We look up at most 10 digits at a time, so it is ranked by its longest piece we found: the 10 digits 4624464642.