While "131667" is not a standard five-digit U.S. ZIP code or a Canadian alphanumeric postal code , this specific number has unique historical significance. It represents a major population milestone for the Polish city of . The Significance of 131,667
: It remains a key component of the Upper Silesian Industrial Region, one of the most densely populated areas in Central Europe. Why You Might See "131667" Today
: The city is famous for its history in coal mining and heavy industry, which fueled its population growth through the mid-20th century. 131667 zip
At that time, the city was a thriving industrial hub in the Silesian region of Poland. This era marked a period of rapid urbanization and development for the city, which was part of the Katowice urban area. About Ruda Śląska
If you encounter this number online, it is likely being used in: While "131667" is not a standard five-digit U
If you are researching this number in relation to a location, here is a quick guide to what makes Ruda Śląska notable:
According to historical data from the Wikipedia list of cities in Poland , the number was the recorded population of Ruda Śląska in 1960 . The Significance of 131,667 : It remains a
: Genealogists or historians tracking the 1960 Polish census.