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