Burkina Faso

#146 of 193 countries

28754623276

That piece first turns up at decimal place 854,243,045 of π (about 854 million digits in).

Burkina Faso is 11 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 2875462327.