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.
It uses the telephone area code 0382 and the cadastral code L440. Technical Context 018163 zip
The actual postal code (CAP) for mail delivery in Trivolzio is 27020 , not 018163. While is not a valid 5-digit United States
018163 is the unique ISTAT code (National Institute of Statistics) assigned to this municipality for administrative and statistical tracking. Specific Local Details for Trivolzio Region: Lombardy
As of 2026 data, the town has a population of approximately 2,494 inhabitants with a density of 656 people per km².
The code e018163 is also associated with a BMJ Open medical study regarding HIV testing implementations. S. ZIP code ? ZIP Code™ Lookup - USPS Tracking