![]() | Naperville, IL 60540/60563/60564/60565/60566/60567 Post Office Location: 5 South Washington Street; Naperville, IL/1750 W Ogden Avenue; Naperville, IL Year Post Office built: Town(s) Served: Naperville Acceptable City Names: Naperville Not Acceptable City Names: Sectional Service Facility: Fox Valley County(ies): Du Page, Will Info on Naperville: The City of Naperville is one of the most populated cities i9n Du Page County. It is located along Interstate 88/Ronald Reagan Memorial Tollway, and U.S. 34. Naperville is the forth largest city in the State of Illinois. The Naperville area was settled in 1831. Fort Payne was built on the site to protect the area from the Sauk Tribe. Naperville became a town in 1857. Most of the town is in Du Page County while portions extend into Will County. |
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