King Of Prussia, PA: Zip Code Guide

Nick Leason

-Oct 15, 2025

Looking for the King of Prussia, PA zip code? This guide provides all the zip codes for this bustling Pennsylvania area, including details on each, its location, and what you can find within its boundaries. Whether you're planning a visit, sending mail, or considering a move, knowing the right zip code is crucial.

Key Takeaways

King of Prussia, PA, primarily uses two zip codes: 19406 and 19405.
19406 often associates with the King of Prussia Mall and surrounding business areas.
19405 typically covers residential areas and some commercial zones.
Accurate zip codes ensure mail delivery and help locate specific addresses.
These zip codes are essential for navigation, online transactions, and local services.

Introduction

King of Prussia is a vibrant, unincorporated community in Pennsylvania, best known for its massive shopping mall and thriving business environment. The area's zip codes are essential for both residents and visitors. Understanding these zip codes helps with everything from mail delivery to pinpointing locations using online maps. This guide offers a complete overview of the zip codes in King of Prussia, PA, and how they are used.

What & Why

The zip code system, introduced in the United States in 1963, is a crucial part of the postal service, improving mail sorting and delivery efficiency. In King of Prussia, PA, using the correct zip code ensures your mail reaches its destination promptly and correctly. This is particularly important given the area's high volume of commercial activity and residential density.

Why Zip Codes Matter:

Efficient Mail Delivery: Accurate zip codes enable the United States Postal Service (USPS) to sort and route mail quickly.
Precise Location Identification: Zip codes help define geographic boundaries and are used in various online and offline location services.
Online Transactions: When shopping online, zip codes are essential for calculating shipping costs and sales tax.
Local Services: Many local services, such as emergency response, use zip codes to identify the location of calls.
Community Identity: Zip codes can sometimes reflect community identity, helping residents identify with their specific area.

Benefits of Knowing the Zip Codes:

Accurate Mail Delivery: Ensuring that letters, packages, and bills arrive at their intended recipients without delay.
Easy Navigation: Assisting in the accurate use of GPS and mapping applications to find specific locations.
Local Business Searches: Improving the search results for local businesses and services online.
Accessing Local Services: Guaranteeing that you receive relevant information and services that are based on your location.

Potential Risks of Incorrect Zip Codes:

Delayed Mail Delivery: Mail may be delayed or returned to the sender.
Shipping Issues: Online orders may be affected, leading to incorrect shipping costs or delivery problems.
Service Limitations: Difficulty accessing location-specific services, such as local government information.
Misidentification: Inaccurate location data can lead to confusion when providing your address for various purposes.

How-To / Steps / Framework Application

The primary zip codes for King of Prussia, PA, are 19406 and 19405. Knowing when to use each is crucial. Here's how to determine the right zip code: — Eagle Pass, TX: Zip Code Guide

Identify the Address: Determine the exact street address, including street name and number.
Use Online Tools: Use online search engines or the USPS website to verify the correct zip code for a specific address. Websites like Zillow or Google Maps also often display the correct zip code.
Check Mail: Examine mail you receive to identify the zip code associated with your address. This is usually printed above the address or in the return address.
Consider Location: Understand that 19406 often serves business and commercial areas, while 19405 is more residential. However, there can be overlap.
When in Doubt, Verify: Always verify the zip code if you are unsure, especially when sending important documents or packages.

Examples & Use Cases

Example 1: Shopping at the King of Prussia Mall

If you're shipping an online order to a store within the King of Prussia Mall, the zip code 19406 is likely the most appropriate choice. This zip code is commonly associated with the mall's address and surrounding commercial properties. — Returning Spectrum Equipment: A Step-by-Step Guide

Example 2: Residential Address in King of Prussia

If you live in a residential area in King of Prussia, your address will likely use the zip code 19405. This zip code encompasses many of the residential streets and neighborhoods in the area.

Example 3: Business Mailing Address

Businesses located in office parks or commercial centers within King of Prussia will generally use 19406 for mailing addresses. Confirm the correct zip code with the business or look up their address online. — Austria Customs: Laws For Bringing Items In

Case Studies:

Case Study 1: Incorrect Zip Code's Impact: A business owner used an outdated zip code and experienced delayed mail delivery, missing important invoices and losing time. They corrected the zip code, and the issues were resolved.
Case Study 2: Using Online Tools: A new resident used an online search tool to find the correct zip code for their apartment, avoiding mail delivery errors from the start.
Case Study 3: Shipping a Package: A customer mistakenly used the wrong zip code when shipping a package from King of Prussia. This caused delays and required them to contact the shipping company to correct the address. Proper use of the zip code would have prevented the issue.

Best Practices & Common Mistakes

Best Practices:

Verify Addresses: Always double-check addresses and zip codes before sending mail or making online purchases.
Use Accurate Databases: Rely on reliable sources such as the USPS website or Google Maps to confirm zip codes.
Update Information: Ensure your address and zip code information are updated on all relevant accounts and documents.
Educate Others: Share this information with friends, family, and colleagues who may need it.

Common Mistakes:

Using Outdated Information: Zip codes can sometimes change, so ensure the information is current.
Assuming Zip Codes are Universal: Zip codes can vary depending on the specific location within King of Prussia.
Guessing Zip Codes: Never guess a zip code, as this could lead to delivery issues.
Omitting the Zip Code: Always include the zip code when addressing mail or providing your address.

FAQs

What are the primary zip codes for King of Prussia, PA? The primary zip codes are 19406 and 19405.
Where is zip code 19406 primarily used? Zip code 19406 is commonly used for the King of Prussia Mall and surrounding commercial areas.
Where is zip code 19405 primarily used? Zip code 19405 is typically used for residential areas and some commercial zones in King of Prussia.
How can I find the correct zip code for a specific address in King of Prussia? You can use online search engines, the USPS website, or mapping services such as Google Maps to verify the correct zip code.
Are there any other zip codes used in King of Prussia? While 19406 and 19405 are the primary zip codes, there might be slight overlaps or variations depending on the precise location. Always verify with an official source.
Why is it important to use the correct zip code? Using the correct zip code ensures accurate mail delivery, correct online shipping calculations, and helps in the proper use of location-based services.

Conclusion with CTA

Knowing the correct zip codes for King of Prussia, PA, is essential for smooth communication, accurate navigation, and reliable services. Use this guide as your go-to resource. Make sure you are using the correct zip code for all your mailing needs. For any further questions or specific inquiries about King of Prussia, PA, feel free to contact your local post office. Ensure your mail arrives without delay by double-checking those zip codes today!

Last updated: October 26, 2023, 10:00 UTC