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ZIP Codes for WESTMONT, Illinois. Use our address lookup or code list to find the correct 5-digit or 9-digit (ZIP+4) code for your postal mails destination. 60559 is the only ZIP Code for Westmont, IL. Enter an Address to find the ZIP+4: The ZIP+4 code is an extension of the five-digit ZIP code used by the USPS. The four extra. Map, population, demographics, economic characteristics and real estate information for ZIP Code 60559. Below is a list of Westmont IL zip codes. For your research we have also included Westmont Area Code, Time Zone, UTC and the local Dupage County FIPS Code. Each Westmont Illinois zip.
ZIP Code 60559 is located in the city of Westmont, Illinois and covers 4.695 square miles of land area. It is also located within Dupage County. According to the 2020 U.S.. Westmont, IL is a city located in Dupage County, Illinois and has a land area of 4.70 square miles (12.17 km2). The water area for the city is 0.09 square miles or 0.23 km2. There is one unique. Zip code in Westmont, IL. The location Westmont belongs to DuPage County, state of Illinois. Westmont has been assigned with the zip code 60559. Westmont is the official name of the. There are also 4 ZIP Codes that overlap Westmont but have a different postal city name. The ZIP Codes in Westmont range from 60514 to 60559. Of the ZIP codes within or partially within.