US United States Major Regions Postal Code Details
๐๏ธ Herkimer ยท New York
13331
Big Moose
13357
Cedarville
13324
Cold Brook
13357
Columbia
13357
Columbia Center
13407
Dennison Corners
13329
Dolgeville
13331
Eagle Bay
13350
East Herkimer
13491
East Winfield
13406
Fairfield
13407
Fort Herkimer
13340
Frankfort
13340
Frankfort Center
13407
German Flatts
13324
Grant
13431
Gravesville
13324
Gray
13350
Herkimer
13357
Ilion
13361
Jordanville
13365
Little Falls
13329
Manheim
13406
Middleville
13491
Millers Mills
13407
Mohawk
13324
Morehouseville
13416
Newport
13324
Noblesboro
13357
North Columbia
13340
North Ilion
13491
North Winfield
13324
Ohio
13420
Old Forge
13329
Oppenheim
13407
Paines Hollow
13491
Plainfield
13491
Plainfield Center
13431
Poland
13431
Russia
13365
Salisbury
13454
Salisbury Center
13340
Schuyler
13357
South Ilion
13357
Spinnerville
13472
Thendara
13491
Unadilla Forks
13475
Van Hornesville
13491
West Exeter
13491
West Winfield
13491
Winfield
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).