Nassau ZIP Code Finder by Area and Number New York

The Nassau zip code is 12123 in New York helps people find the correct mailing location for homes, businesses, and services in Nassau.

Welcome to our complete guide for Nassau, New York ZIP Codes. Whether you're moving to Nassau, sending mail, searching for an address, or looking for local postal information, this page provides everything you need to know about the ZIP Codes serving Nassau, New York.

Every Nassau ZIP Code is assigned by the United States Postal Service (USPS) to support efficient mail delivery and address identification. In addition to postal services, Nassau ZIP Codes are widely used for online shopping, navigation, banking, insurance, healthcare, business operations, and government services.

City	Nassau
Zip Code	12123
State	New York
County	Rensselaer
Population	4,853
Latitude	42.52239
Longitude	-73.60636
Time Zone	America/New_York

The Nassau New York zip code is used by USPS for mail delivery, shipping, and address identification across Nassau and nearby New York cities.

Nassau New York is a growing city in New York, and many people search for the Nassau zip code, Nassau postal code, Nassau NY zip code, and Nassau New York mailing code when sending mail or locating addresses. The zip code in Nassau is important for deliveries, online orders, location searches, and business listings in Nassau.

If you are searching for the Nassau zip code list, Nassau NY postal code, Nassau New York city zip code, or Nassau mailing zip code, this page helps you quickly find the correct Nassau zip code. Many residents, travelers, and businesses use the Nassau zip code lookup to confirm the correct Nassau mailing address.

The Nassau zip code area covers neighborhoods, residential communities, and business locations in Nassau NY. Whether you are looking for the Nassau city zip code, Nassau New York postal code, Nassau NY mailing code, or Nassau location zip code, the Nassau zip code New York helps identify the correct postal region in New York.

People also search for zip codes near Nassau, Nassau postal codes, Nassau NY zip code lookup, Nassau address zip code, and Nassau New York USPS zip code to find nearby locations in New York.

ZIP Codes in Nassau

The following ZIP Codes serve Nassau, New York.

ZIP Code	County	Population	Time Zone
12123	Rensselaer	4,853	America/New_York

Whether you're searching for a residential, commercial, or mailing address, the ZIP Code list above makes it easy to find the correct postal code for Nassau.

About Nassau, New York

Nassau is located in Rensselaer County, New York, and is served by one or more ZIP Codes assigned by USPS. Residents, businesses, and visitors rely on these ZIP Codes for mail delivery, package shipping, address verification, and location-based services.

Some cities have a single ZIP Code, while larger cities may have multiple ZIP Codes covering different neighborhoods or business districts.

If you're searching for a Nassau ZIP Code, this page provides the latest available information to help you find the correct postal code quickly.

Nassau ZIP Code Map

The Nassau ZIP Code map helps visitors understand the geographic coverage of ZIP Code areas throughout the city.

The map can help you:

Locate neighborhoods
Find nearby ZIP Codes
Explore surrounding communities
Plan travel routes
Understand delivery areas

Find a ZIP Code in Nassau

If you need to locate a ZIP Code within Nassau, you can search using:

Street address
Neighborhood
Business name
Landmark
USPS mailing address

Using the correct Nassau ZIP Code helps improve mail delivery, shipping accuracy, and address verification.

About Living in Nassau

Nassau, New York is part of Rensselaer County and is home to approximately 4,853 residents. The city operates in the America/New_York time zone and is identified by the geographic coordinates 42.52239 latitude and -73.60636 longitude.

Residents enjoy access to local schools, businesses, public services, healthcare facilities, parks, and transportation networks. Whether you're relocating, visiting, or starting a business, knowing the correct ZIP Code helps simplify everyday tasks.

Common Uses of Nassau ZIP Codes

ZIP Codes in Nassau are commonly used for:

USPS mail delivery
Package shipping
Online shopping
Address verification
Banking
Insurance
Government services
Emergency services
Navigation
Real estate
Business operations
Delivery planning

Why Nassau ZIP Codes Matter

Using the correct Nassau ZIP Code offers several benefits.

For Residents

Faster mail delivery
Accurate online orders
Easier address verification
Better navigation

For Businesses

Shipping optimization
Customer management
Delivery planning
Local marketing

Frequently Asked Questions

Nassau is served by one or more ZIP Codes listed on this page.

Nassau is currently served by 1 ZIP Code. The number of ZIP Codes depends on the size of the city and USPS delivery routes.

Nassau is located in Rensselaer County.

Nassau is located in New York.

The estimated population of Nassau is 4,853.

Nassau follows the America/New_York time zone.

Use your street address or browse the ZIP Code list available on this page.

No. Some ZIP Codes may include residential, commercial, government, or PO Box delivery areas.

Using the correct ZIP Code helps improve mail delivery, shipping accuracy, navigation, and address verification.

Official ZIP Code information is maintained by the United States Postal Service (USPS).

Conclusion

Whether you're looking for a mailing address, planning a move, or researching local information, this Nassau, New York ZIP Code guide makes it easy to find the postal information you need. Explore the ZIP Code list, use the map, and browse additional location details to learn more about Nassau and its surrounding communities.