US United States Major Regions Postal Code Details
๐๏ธ Houghton ยท Michigan
49905
Atlantic Mine
49942
Calumet
49913
Centennial Heights
49916
Chassell
49917
Copper City
49921
Dodgeville
49922
Dollar Bay
49945
Gay
49930
Hancock
49921
Houghton
49934
Hubbell
49942
Kearsarge
49945
Lake Linden
49913
Laurium
49952
Nisula
49955
Painesdale
49958
Pelkie
49930
Ripley
49961
Sidnaw
49963
South Range
49965
Toivola
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).