US United States Major Regions Postal Code Details
๐๏ธ Marquette ยท Michigan
49819
Arnold
49808
Big Bay
49814
Champion
49819
Cornell
49841
Gwinn
49855
Harvey
49849
Ishpeming
49833
Little Lake
49855
Marquette
49861
Michigamme
49865
National Mine
49866
Negaunee
49871
Palmer
49841
Princeton
49879
Republic
49885
Skandia
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).