U.S. ZIP codes are typically 5 digits (e.g., 90210). A 6-digit number like 156100 would not be a valid standard U.S. ZIP code, though it could potentially appear as the start of a longer ZIP+4 code if it were in the northeast (where codes start with 0 or 1). Postal Code 156100 - Fujin, Heilongjiang - Cybo
While it may look like a U.S. ZIP code, it actually follows the 6-digit formatting standard used by China Post . Here is some interesting context about this specific location and code: 156100 zip
Refers to the provincial-level postal district ( Heilongjiang ). ZIP code, though it could potentially appear as
Denotes the postal routing area within the province, specifically for the Jiamusi region. Here is some interesting context about this specific
Interestingly, Taiwan also uses a 6-digit system (often formatted as 3+3), where "100" refers to the Zhongzheng District in Taipei City.
Indicates the main post office for the city or specific delivery zone within Fujin . 3. Global Comparisons