Ultimate Postal Code Blocker
Prevent unwanted deliveries by blocking specific postal codes
Rating
5.0
feedback
1
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#4,256
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Reviews Summary
Ultimate Postal Code Blocker is a Shopify App that helps ecommerce merchants prevent unwanted deliveries by blocking specific postal codes. It scans the address field in real time, rejects high-cost or undeliverable postal codes, and does not require Carrier Calculated Shipping. Compatible with all store plans, it provides real-time protection, handles thousands of codes, and aims to reduce losses and protect the brand. Developed by MSM TECHNOLOGIES.
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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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