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A ZIP+4 code adds four digits to the basic five-digit ZIP code. It helps the USPS deliver mail more precisely to specific addresses or buildings.

Are ZIP codes the same as postal codes?

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All ZIP Codes for Union Pier Michigan – Postal Code Lookup

Union Pier ZIP Code

The city of Union Pier is assigned specific ZIP Code(s) by the United States Postal Service (USPS) to make mail delivery accurate and efficient. A ZIP Code in Union Pier helps identify the correct postal area, ensuring that letters, parcels, and packages reach the right neighborhood or post office without delay. For residents, businesses, and visitors, knowing the correct Union Pier ZIP Code is important not only for mailing purposes but also for location-based services, navigation, and demographic reference.

Union Pier

Post Office	Union Pier
Division	Berrien
Pincode	49129

Total Post Office (1) Page 1 of 1

Zip Codes in Union Pier, Michigan

Zip Code list in Berrien for your selected city Union Pier is shown below. Use these ZIP Codes to ensure accurate mail delivery, business operations, or location reference.

49129

About Union Pier, Michigan ZIP Codes

Union Pier is located in Berrien County, Michigan. The United States Postal Service (USPS) assigns multiple ZIP Codes in this region to simplify mail distribution, navigation, and address identification. Each ZIP Code in Union Pier covers a specific neighborhood or area, which is important for residents, businesses, and government offices. Having the correct ZIP Code ensures smooth delivery of letters, online orders, and official documents.

Why Knowing the ZIP Code is Important?

Ensures accurate and timely mail delivery
Helps businesses and eCommerce platforms verify addresses
Useful for demographic research and census data
Required for utilities, banking, and government services

Frequently Asked Questions (FAQs) about Union Pier ZIP Codes

The primary ZIP Code for Union Pier, Michigan depends on the specific neighborhood. Use our list above to find the correct code.

Union Pier has multiple ZIP Codes covering different areas of the city. Check the table above for the complete list.

You can use our ZIP Code lookup tool by selecting the city, county, and state to locate the right code for your address.

All ZIP Codes in Union Pier are assigned and managed by the United States Postal Service (USPS) for accurate mail sorting and delivery.

Yes, in many cases a single ZIP Code can cover more than one neighborhood or locality in Union Pier to simplify mail distribution.

ZIP Codes usually remain stable for decades, but USPS may introduce new codes or adjust boundaries when population grows or new delivery routes are added in Union Pier.