US United States Major Regions Postal Code Details
๐๏ธ Washtenaw ยท Michigan
48103
Ann Arbor
48105
Ann Arbor Township
48105
Barton Hills
48115
Bridgewater
48118
Chelsea
48103
Delhi
48130
Dexter
48105
Dixboro
48130
Dover
48130
Four Mile Lk
48118
Freedom Twp
48189
Hamburg Twp
48130
Hudson Mills
48118
Lima Center
48118
Lima Twp
48103
Loch Alpine
48103
Lodi Township
48118
Luce Twp
48118
Lyndon Twp
48158
Manchester
48189
Northfield Twp
48158
Podunk
48197
Rawsonville
48175
Salem
48176
Saline
48130
Scio
48103
Scio Township
48158
Sharon
48158
Sharon Hollow
48198
Superior Township
48118
Sylvan Twp
48109
U Of M
48130
Webster
48189
Whitmore Lake
48190
Whittaker
48191
Willis
48198
Willow Run
48198
Ypsilanti
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).