US United States Major Regions Postal Code Details
๐๏ธ Dane ยท Wisconsin
53777
American Family Ins Co
53508
Belleville
53515
Black Earth
53517
Blue Mounds
53523
Cambridge
53527
Cottage Grove
53528
Cross Plains
53529
Dane
53531
Deerfield
53532
Deforest
53784
Electronic Data Systems
53575
Fitchburg
53596
General Casualty Co
53598
Lake Windsor
53713
Madison
53791
Madison Business Reply Mail
53788
Madison Gas And Electric
53704
Maple Bluff
53559
Marshall
53560
Mazomanie
53558
Mc Farland
53597
Middleton
53713
Monona
53716
Monona Grove
53571
Morrisonville
53572
Mount Horeb
53575
Oregon
53705
Shorewood Hills
53702
State Capitol
53589
Stoughton
53596
Sun Prairie
53794
Swiss Colony
53793
Swiss Colony Bus Reply
53792
Univ Of Wis Hosp Hlth Sc Ctr
53593
Verona
53597
Waunakee
53597
Westport
53782
Wi Cheeseman
53789
Wi Dept Ind Labor Human Rel
53790
Wi Dept Revenue Box 268
53786
Wi Dept Revenue Box 34
53785
Wi Dept Revenue Box 59
53774
Wi Lottery
53598
Windsor
๐ฎUS United States Regional Postal Code FAQ & Postal Regulations
๐ฎ What is the format of a US ZIP code?
Standard format is 5 digits (e.g., 10001). Extended format is ZIP+4 (9 digits like 10001-1234) with a hyphen.
๐ How to find the ZIP code for an address?
Use the USPS ZIP Code Lookup tool by entering the full address on the official USPS website.
โ ๏ธ What happens if I use a wrong ZIP code?
Mail may be delayed, returned, or lost. For important documents, use USPS tracking and verify the ZIP code.
๐ Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
๐ฆ Is a ZIP code required for international mail to the US?
Absolutely. Always include the US ZIP code at the end of the address (e.g., New York, NY 10001 USA).