: In the Russian Federation , postal codes (Почтовый индекс) are strictly six-digit numbers. Codes starting with 156 generally correspond to the Kostroma Oblast region. For example, nearby localities like Krasnoe-Na-Volge use codes in the 157 range.
While does not correspond to a standard five-digit ZIP code in the United States—which range from 00501 to 99950—it is a valid six-digit postal code used in other international systems. Global Context of Postal Code 156828 156828 zip
The significance of the number 156828 changes depending on the country's postal system: : In the Russian Federation , postal codes