Naperville Post Office

United States Post Office Logo

To better serve our customers, we have a full service* United States Post Office right in our store! Oswald’s United States Post Office is open the same hours as the store – 7 days a week!

  • First-Class Mail
  • Priority Mail
  • Priority Mail Express
  • USPS Retail Ground
  • Media Mail

Post Office Pick Up Times:

  • Monday through Friday 11 AM and 3 PM
  • Saturday 12:00 PM
  • Sunday – No Pickup. You can still drop off packages, letters, parcels and buy stamps from 9-6!
  • Holidays – Check the USPS website for details – We’re closed Thanksgiving, Christmas and New Years Day. Other holidays we may have limited hours. Please call 630-355-2500 or visit our social media pages to check holiday hours.

At our in-store United States Post Office counter, we also provide the following services:

  • Fax service (Send & Receive)
  • Ten cent copies

Post Office located in Oswald's Pharmacy. A shot of the post office checkout counter with many USPS signs and envelopes for shipping.

*Our Post Office cannot place holds on home delivery service, process passports, create postage from USPS QR codes, or do Postal Money Orders

If you have any additional questions please call us or send us an email!