US United States Major Regions Postal Code Details
🏛️ Washtenaw · Michigan
48103Ann Arbor
Ann Arbor washtenaw michigan 48103 United States
48105Ann Arbor Township
Ann Arbor Township washtenaw michigan 48105 United States
48105Barton Hills
Barton Hills washtenaw michigan 48105 United States
48115Bridgewater
Bridgewater washtenaw michigan 48115 United States
48118Chelsea
Chelsea washtenaw michigan 48118 United States
48103Delhi
Delhi washtenaw michigan 48103 United States
48130Dexter
Dexter washtenaw michigan 48130 United States
48105Dixboro
Dixboro washtenaw michigan 48105 United States
48130Dover
Dover washtenaw michigan 48130 United States
48130Four Mile Lk
Four Mile Lk washtenaw michigan 48130 United States
48118Freedom Twp
Freedom Twp washtenaw michigan 48118 United States
48189Hamburg Twp
Hamburg Twp washtenaw michigan 48189 United States
48130Hudson Mills
Hudson Mills washtenaw michigan 48130 United States
48118Lima Center
Lima Center washtenaw michigan 48118 United States
48118Lima Twp
Lima Twp washtenaw michigan 48118 United States
48103Loch Alpine
Loch Alpine washtenaw michigan 48103 United States
48103Lodi Township
Lodi Township washtenaw michigan 48103 United States
48118Luce Twp
Luce Twp washtenaw michigan 48118 United States
48118Lyndon Twp
Lyndon Twp washtenaw michigan 48118 United States
48158Manchester
Manchester washtenaw michigan 48158 United States
48189Northfield Twp
Northfield Twp washtenaw michigan 48189 United States
48158Podunk
Podunk washtenaw michigan 48158 United States
48197Rawsonville
Rawsonville washtenaw michigan 48197 United States
48175Salem
Salem washtenaw michigan 48175 United States
48176Saline
Saline washtenaw michigan 48176 United States
48130Scio
Scio washtenaw michigan 48130 United States
48103Scio Township
Scio Township washtenaw michigan 48103 United States
48158Sharon
Sharon washtenaw michigan 48158 United States
48158Sharon Hollow
Sharon Hollow washtenaw michigan 48158 United States
48198Superior Township
Superior Township washtenaw michigan 48198 United States
48118Sylvan Twp
Sylvan Twp washtenaw michigan 48118 United States
48109U Of M
U Of M washtenaw michigan 48109 United States
48130Webster
Webster washtenaw michigan 48130 United States
48189Whitmore Lake
Whitmore Lake washtenaw michigan 48189 United States
48190Whittaker
Whittaker washtenaw michigan 48190 United States
48191Willis
Willis washtenaw michigan 48191 United States
48198Willow Run
Willow Run washtenaw michigan 48198 United States
48198Ypsilanti
Ypsilanti washtenaw michigan 48198 United States
📋 United States Address and Delivery Guidance
📮
Use a Complete Delivery Address:
Include the recipient name, building or street address, locality, region where applicable, postal code when the destination uses one, and the destination country or territory.
🌍
Follow Local Address Conventions:
Use the language, character set and address order requested by the recipient, official postal operator or carrier. Do not assume every destination uses the same postal-code format.
✅
Verify Before Dispatch:
Confirm the postal code, service coverage and any customs or carrier requirements with the recipient and the relevant official postal operator before shipping.
💡
Delivery Information Is Context-Specific:
Postal codes help routing only in territories that use them. Accurate recipient details remain essential for delivery in every destination.
Postal information, sources and verification
Use this page as a routing reference and confirm the complete address, postal code format and delivery restrictions with the relevant official postal operator or carrier before dispatch.
Editorial and service accountability
This postal-code reference is maintained by the 56ok.com logistics-content team for international shipping preparation. It is reviewed against publicly available postal-operator information; it is not an official postal authority and does not replace carrier or customs instructions.
This reference is maintained as postal and carrier information changes. Need a correction? Contact our team.
Privacy, terms and disclaimer
Your search terms are handled under our Privacy Policy. Review our Terms of Service and disclaimer before relying on any logistics or delivery information.
📮United States Postal FAQ and delivery guidance
📮 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.
🔍 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.
⚠️ 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.
🔄 Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
📦 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).
