US United States Major Regions Postal Code Details
๐๏ธ Cheshire ยท New Hampshire
03602
Alstead
03602
Alstead Center
03441
Ashuelot
03443
Chesterfield
03604
Drewsville
03444
Dublin
03602
East Alstead
03445
East Sullivan
03446
East Swanzey
03447
Fitzwilliam
03448
Gilsum
03450
Harrisville
03451
Hinsdale
03452
Jaffrey
03435
Keene
03435
Keene State College
03602
Langdon
03455
Marlborough
03456
Marlow
03457
Munsonville
03445
Nelson
03431
North Swanzey
03609
North Walpole
03470
Richmond
03461
Rindge
03431
Roxbury
03462
Spofford
03464
Stoddard
03445
Sullivan
03431
Surry
03446
Swanzey
03446
Swanzey Center
03465
Troy
03608
Walpole
03466
West Chesterfield
03469
West Swanzey
03467
Westmoreland
03470
Winchester
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).