The table shown here includes Post Offices that have been suspended for years. Customers in these communities are being served by nearby offices. The listings in this table represent the administrative action of the Postal Service™ officially closing these offices.
Old/New
Finance No.
ZIP Code
State
P.O. Name
County/Parish
Station/Branch/Unit
Unit Type
Effective Date
Comments
Old
16-3258
62943
IL
Grantsburg
Johnson
Main Office
Post Office
04/28/2017
New
16-8058
Vienna
Place Name
04/19/2025
Post Office™ discontinued. Retain ZIP Code™. Establish a Place Name. Continue to use Grantsburg, IL 62943 as the last line of address.
— Address Management, Addressing and Geospatial Technology, 5-1-25
