Walnut Post Office in Walnut city at 104 N Main Street
The Walnut Post Office is the facility of the most well-known postal service in the USA. This particular USPS unit is located in the city of Walnut, in the IL state. Their exact address is: 104 N Main Street, with a 61376-9702 postal code. The person who is responsible for the customer service is Jennifer A Blackert. You get in touch with this consultant by calling 815-379-2111, or by sending an email to Jennifer a blackert@usps gov.