US United States Major Regions Postal Code Details
๐๏ธ Linn ยท Iowa
52499
Aegon Usa
52202
Alburnett
52403
Bertram
52405
Cedar Rapids
52213
Center Point
52214
Central City
52218
Coggon
52324
Covington
52227
Ely
52228
Fairfax
52233
Hiawatha
52302
Indian Creek
52499
Life Investors Inc
52253
Lisbon
52302
Marion
52302
Midway
52314
Mount Vernon
52497
Nordstrom
52324
Palo
52219
Prairieburg
52411
Robins
52498
Rockwell Collins
52404
Shueyville
52336
Springville
52253
Sutliff
52341
Toddville
52344
Troy Mills
52336
Viola
52352
Walker
52214
Waubeek
52336
Whittier
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).