Ultimate Postal Code Blocker
Prevent unwanted deliveries by blocking specific postal codes
Rating
5.0
feedback
3
chart
#4,010
Reviews Over Time
App Ranking
Time spent using app
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Less than an hour
33%
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33%
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Reviews Summary
Ultimate Postal Code Blocker is a Shopify App designed to prevent unwanted deliveries by blocking specific postal codes. It operates in real time, scanning the address field to reject high-cost or undeliverable postal codes without the need for Carrier Calculated Shipping. Compatible with all store plans, it offers protection by handling thousands of codes or more. However, there are not enough reviews to analyze at the moment.
Review RSS Feed
All reviews
Feb. 1, 2026
This app is working well for our business. We had some minor issues with the initial integration but the app owner had zero issue helping to resolve the problems.
Jan. 23, 2026
Works perfectly, The CSV I uploaded initially contained too much information so a good tip is to only include the postal codes you need blocked and not adding the city name in a separate column as this caused the entire city to be blocked for myself. Contacted their help and received a phone call within 10 minutes as their emails weren't going through but I had managed to fix the issue myself as the app is that easy and intuitive to use
Sept. 3, 2025
Very easy to install. I was looking for an app that would allow me only to send to the major cities in Canada so I didn't receive unexpected remote delivery charges. The developer quickly added a whitelist option to the whole country blocking, which was a very quick and elegant solution.
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