US United States Major Regions Postal Code Details
๐๏ธ Mercer ยท New Jersey
08695
Division Of Revenue
08520
East Windsor
08541
Educational Testing Service
08618
Ewing
08638
Ewing Township
08620
Groveville
08611
Hamilton
08690
Hamilton Square
08610
Hamilton Township
08520
Hightstown
08525
Hopewell
08525
Hopewell Township
08648
Lawrence
08648
Lawrence Township
08648
Lawrenceville
08619
Mercerville
08647
Nj Income Tax
08666
Nj Motor Vehicles
08695
Nj Taxation Dept
08534
Pennington
08543
Princeton
08550
Princeton Junction
08540
Princeton Township
08544
Princeton University
08691
Robbinsville
08645
State Income Tax
08560
Titusville
08608
Trenton
08691
Uppr Free Twp
08628
West Trenton
08550
West Win Tow
08550
West Windsor
08561
Windsor
08620
Yardville
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).