7 Best Shopify Address Validation Apps - 2026

This app allows your customers to check that your products are available to be delivered based on their zipcode. This reduces the number of orders that have to be canceled because you don’t have the products and the customers can check before completing the transaction.

If you have numerous warehouses and can only ship a certain distance from each warehouse, you can mark specific products with the zipcodes where it can be delivered. The customer will find the process very easy. All they have to do is enter their zipcode into the search bar and then find out if their product is available there.

If a product becomes available, or not available in an area in the future, the app easily allows administrators the chance to activate/deactivate the zipcodes. And you can speed up processing by doing a bulk upload via a CSV file.

Product Zipcode Validator Highlights:

• Assign each product with a set of zipcodes that the product can be delivered to.
• Activate/deactivate zipcodes as products become available in certain areas.
• Easy to use interface makes managing zipcodes easy.
• Can bulk upload zipcodes using CSV files.

This app checks that the products customers are requesting are available in the region. If the area isn’t available, then the customer can be added to a waiting list where you can email them once they can order and have products shipped to them. This is a great app for those that want to expand in the future and offer certain goods. Classic examples would be food box sellers and local businesses who want to set up franchises.

This also helps you as a business in these scenarios as it can tell you whether there is a significant demand in a certain area to open up a new office/distribution center. The app can be branded so it matches that of your store.

You can have an unlimited number of zipcodes within your store and you can have partial matching. For instance, you can enter in the system 33-8** and it would match all zipcodes that begin with those numbers. Therefore, you can save time and don’t potentially miss out customers by accidentally leaving out a postcode.

The app can work in any country, including the USA, Canada and the UK. If you want to add additional functions to the tool, then you can add these into the app with ease using the Custom CSS. However, if you’re happy with the functionality as it is, you don’t need any coding skills or anything else.

The app also conducts nightly backups for you, so you don’t lose vital information.

Zip code check & waiting list Highlights:

• Customers can check that their zipcode is serviceable by your business.
• If you don’t deliver to their area, the customer can be added to a waiting list for when you do.
• Add partial zipcodes that can encompass numerous codes, prevents missed zipcodes and customers be needlessly disappointed.
• Can add unique functionality with custom CSS editor embedded within the tool.

This is a very simple and easy app that allows you to save time and money when accepting orders that are going to be shipped with FedEx, UPS or DHL. These delivery companies don’t deliver to PO Boxes, so you can use this app to tell the customer that they can’t enter the address. If it detects a PO Box address being entered, the warning is displayed on the shipping method step.

Then the customer has to enter a commercial or residential address to ensure delivery of the item. You can customize the messaging and you can have email notifications as well as the customer.

Mighty PO Box Blocker Highlights:

• Stops PO Boxes from being used within the delivery address area.
• Gives warning sign in the checkout area.
• Can customize the message/warning.
• Block customers.
• Easy to install.

Customers are often adding typos into their shipping address. These mistakes might seem small, but they can lead to failed deliveries and, ultimately, upset customers. Returning shipments can also be costly to you as a business. This app helps to reduce that by validating the address entered into the system.

The app prompts potential corrections to addresses that are inputted incorrectly. For instance, ‘Nwe York’ would be suggested to show ‘New York’. There are alerts as the customer is inputting the shipping address. And the system can send emails to both the customer and the seller when there is an order that has a shipping address that can’t be verified.

There are lots of things that this app can help with. It can block undeliverable addresses including PO Boxes, DHL PackStations, Parcel Collects, addresses with no house number and addresses that are excessively long. The messages and look of the information can also be customized to best match your brand.

Shipping Address Validator Highlights:

• Can detect numerous issues with an address and can ask customer to check.
• Can prevent deliveries to locations where there is a high chance of RTO.
• Customizable to your brand.
• Reduces costly RTO and fraudulent orders.

This doesn’t verify a lot about your customer’s addresses, however, it does offer lots of additional benefits for shipping that can make it just as good as a validator. The app allows you to craft custom and real-time shipping rates for groups of products, so, if you have large items, they can cost more than smaller items.

You can also set shipping costs for certain locations, weights, prices and even customers. Therefore, you can truly create a customized experience for the customer. You can also add special discounts, surcharges and more to your shipping experience to reward loyal customers or those that have bought a significant amount on your store.

You can also create rules and restrictions for certain carriers. And you can validate an address to check whether it is a residential or a commercial address.

ShipperHQ ‑ Shipping Rate Mgmt Highlights:

• Can check whether an address is a residential or commercial address.
• Add custom rules based on location, customer, product, weight and more.
• Can reward loyalty and size of orders.
• Create rules for specific carriers.