Standard U.S. ZIP codes consist of 5 digits, sometimes followed by a 4-digit routing extension (ZIP+4). A search via the USPS ZIP Code Lookup confirms that 018163 does not exist as a domestic postal zone.
As of 2026 data, the town has a population of approximately 2,494 inhabitants with a density of 656 people per km². 018163 zip
The actual postal code (CAP) for mail delivery in Trivolzio is 27020 , not 018163. Standard U
018163 is the unique ISTAT code (National Institute of Statistics) assigned to this municipality for administrative and statistical tracking. Specific Local Details for Trivolzio 018163 zip