NoBox: PO Box Blocker for Shopify

NoBox: PO Box Blocker

Prevent failed deliveries by blocking PO Boxes at checkout.
Developer
Wezy
View on App Store
NoBox: PO Box Blocker
Rating
5.0
Feedback
1
Reviews
Chart
#18,244
Shopify
Reviews over time
New reviews per month across the app's lifetime.
App ranking
Overall position in the Shopify App Store.
Reviews summary

NoBox: PO Box Blocker is a Shopify App designed to prevent failed deliveries by blocking PO Box addresses at checkout. It offers customization options for merchants to add their own blocking keywords and exempt specific products from the blocking rules. The app also detects common PO Box formats, restricted ZIP codes, postal code ranges, cities, states, countries, and military addresses. Error messages are customizable to enhance the user experience.

Time spent using app
How long merchants keep the app installed.
Less than an hour 0%
Less than a day 0%
Less than a month 100%
Less than a year 0%
More than a year 0%
All reviews
5 / 5 Share
Feb. 24, 2026

Kept getting hit with return fees because people were sneaking PO Boxes into the second address line. Installed Wezy, added a couple of variations like "P.O. Box" to the block list, and haven't had an issue since.Took literally a minute. Worth the few bucks a month to save my team the manual work.

Store Using app Total reviews Average rating
Surprise Scoop 4 days 5 5.0

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