US United States Major Regions Postal Code Details
๐๏ธ Warren ยท Pennsylvania
16402
Bear Lake
16366
Blair Corp
16312
Chandlers Valley
16313
Clarendon
16405
Columbus
16369
Crossing Pointe
16416
Garland
16420
Grand Valley
16329
Irvine
16367
New Process Co
16365
North Warren
16340
Pittsfield
16345
Russell
16345
Scandia
16347
Sheffield
16436
Spring Creek
16350
Sugar Grove
16351
Tidioute
16352
Tiona
16367
Warren
16371
Youngsville
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).