Irwin ZIP Code Finder by Area and Number Pennsylvania

The Irwin zip code is 15642 in Pennsylvania helps people find the correct mailing location for homes, businesses, and services in Irwin.

Welcome to our complete guide for Irwin, Pennsylvania ZIP Codes. Whether you're moving to Irwin, 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 Irwin, Pennsylvania.

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

City	Irwin
Zip Code	15642
State	Pennsylvania
County	Westmoreland
Population	46,727
Latitude	40.32045
Longitude	-79.72119
Time Zone	America/New_York

The Irwin Pennsylvania zip code is used by USPS for mail delivery, shipping, and address identification across Irwin and nearby Pennsylvania cities.

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

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

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

People also search for zip codes near Irwin, Irwin postal codes, Irwin PA zip code lookup, Irwin address zip code, and Irwin Pennsylvania USPS zip code to find nearby locations in Pennsylvania.

ZIP Codes in Irwin

The following ZIP Codes serve Irwin, Pennsylvania.

ZIP Code	County	Population	Time Zone
15642	Westmoreland	46,727	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 Irwin.

About Irwin, Pennsylvania

Irwin is located in Westmoreland County, Pennsylvania, 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 Irwin ZIP Code, this page provides the latest available information to help you find the correct postal code quickly.

Irwin ZIP Code Map

The Irwin 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 Irwin

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

Street address
Neighborhood
Business name
Landmark
USPS mailing address

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

About Living in Irwin

Irwin, Pennsylvania is part of Westmoreland County and is home to approximately 46,727 residents. The city operates in the America/New_York time zone and is identified by the geographic coordinates 40.32045 latitude and -79.72119 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 Irwin ZIP Codes

ZIP Codes in Irwin 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 Irwin ZIP Codes Matter

Using the correct Irwin 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

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

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

Irwin is located in Westmoreland County.

Irwin is located in Pennsylvania.

The estimated population of Irwin is 46,727.

Irwin 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 Irwin, Pennsylvania 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 Irwin and its surrounding communities.