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.
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
It uses the telephone area code 0382 and the cadastral code L440. Technical Context Standard U
While is not a valid 5-digit United States ZIP Code (which typically range from 00501 to 99950), it is a specific administrative identifier for the town of Trivolzio in Italy . Location Identification Entity: Trivolzio . Country: Italy. Region: Lombardy. Province: Pavia. 018163 is the unique ISTAT code (National Institute
The actual postal code (CAP) for mail delivery in Trivolzio is 27020 , not 018163.
It is located at an altitude of approximately 97 meters, covering a small area of about 3.8 km².
As of 2026 data, the town has a population of approximately 2,494 inhabitants with a density of 656 people per km².